a (+6) (−1) =∶ a (−25) + (−5) = a (+32) (−8) =⋅
b (0) (−5) =⋅ b (+20) − (+2) = b (−60) + (+10) =
c (−40) + (+5) = c (+4) (+1) =∶ c (+4) (−1) =∶
d (−32) (+4) =∶ d (+8) (−8) =⋅ d (−3) (+1) =∶
e (−12) − (+6) = e (+40) − (−5) = e (+32) − (+8) =
f (+6) (+3) =∶ f (−64) (+8) =∶ f (−16) (−4) =⋅
g (+40) (−5) =⋅ g (−18) (−9) =⋅ g (+15) + (−3) =
h (+18) (−2) =∶ h (+35) + (−7) = h (+12) − (+6) =
i (0) (+5) =∶ i (0) (+10) =⋅ i (+20) (−10) =∶
j (−9) (−1) =∶ j (−70) + (+7) = j (−63) + (+9) =
k (+42) (+6) =∶ k (−2) − (−2) = k (−60) + (+10) =
l (−320) + (+16) = l (−54) + (+9) = l (+76) + (+19) =
m (−18) (+3) =∶ m (−34) (+2) =∶ m (+80) + (+4) =
n (+38) + (−2) = n (0) (+14) =∶ n (+40) (−8) =⋅
o (+6) (−1) =⋅ o (−260) + (+13) = o (−28) (+14) =⋅
p (+48) (−12) =⋅ p (+15) + (+1) = p (+152) + (+8) =
q (−60) (−5) =∶ q (−198) (−18) =⋅ q (−18) − (−6) =
r (−40) (−5) =⋅ r (−64) − (−8) = r (−10) (+5) =⋅
s (0) (+18) =⋅ s (+16) (+4) =⋅ s (−10) − (+10) =
t (+99) − (+9) = t (+40) (+4) =∶ t (+140) + (−20) =
u (+76) − (−19) = u (+320) (−16) =⋅ u (−27) + (+9) =
v (+2) + (−1) = v (+28) (+7) =⋅ v (−224) (+14) =∶
w (−70) (−14) =∶ w (−182) − (+13) = w (−12) (−3) =∶
x (+144) − (−16) = x (+10) (−10) =⋅ x (+18) + (+1) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−9) − (−9) = a (+10) (−5) =∶ a (+72) (+9) =∶
b (+5) (+1) =⋅ b (−72) − (+9) = b (−8) (−2) =⋅
c (+24) (−4) =∶ c (−18) − (+2) = c (+7) (+1) =∶
d (+20) + (+10) = d (−36) + (−6) = d (−28) (−7) =∶
e (−5) + (+1) = e (−5) (−5) =∶ e (−10) (−2) =∶
f (+21) (−3) =⋅ f (−8) + (+8) = f (+72) + (+9) =
g (+54) (−9) =∶ g (+16) − (−8) = g (+70) + (−10) =
h (−3) (+3) =∶ h (−12) (+2) =∶ h (−90) (−10) =∶
i (+14) (+7) =∶ i (+20) − (+5) = i (−4) (−1) =∶
j (−100) (−10) =∶ j (−3) − (−3) = j (+60) (−10) =∶
k (−12) (−2) =∶ k (−7) (−7) =∶ k (+10) (+1) =⋅
l (+54) (−9) =∶ l (−96) + (−12) = l (−88) + (−11) =
m (−270) − (+18) = m (+45) − (−5) = m (+57) (+19) =∶
n (+196) (−14) =⋅ n (+80) (+5) =∶ n (−190) (−10) =⋅
o (−66) (+11) =∶ o (−32) + (+8) = o (−25) − (+5) =
p (+180) − (+18) = p (+182) (−14) =∶ p (+70) (+10) =∶
q (−6) + (−6) = q (+27) (+9) =∶ q (−57) − (−19) =
r (−90) (−18) =⋅ r (−65) − (−13) = r (−144) (+18) =⋅
s (−128) (−16) =⋅ s (−238) + (+17) = s (−108) (+18) =∶
t (+55) (−5) =⋅ t (+110) − (−11) = t (−108) − (−18) =
u (+54) + (−3) = u (−95) + (+5) = u (−30) (−10) =∶
v (+7) − (−1) = v (+54) − (−3) = v (+72) (+18) =∶
w (−60) (−20) =∶ w (+30) + (−2) = w (−50) − (+10) =
x (−9) (−3) =∶ x (−361) (+19) =⋅ x (−90) − (−18) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−4) (+2) =∶ a (0) − (−1) = a (+60) − (−10) =
b (+50) (−5) =∶ b (−90) (−10) =⋅ b (+45) (−9) =⋅
c (−32) (−4) =∶ c (+63) − (+9) = c (+12) (−6) =∶
d (+54) (+9) =∶ d (+14) (+2) =⋅ d (−35) + (+5) =
e (+24) (−3) =∶ e (+6) (−3) =∶ e (+12) (−6) =⋅
f (0) + (−5) = f (−21) (−3) =⋅ f (+90) − (−10) =
g (−16) (+2) =⋅ g (−70) − (−7) = g (+14) − (−7) =
h (−35) + (+5) = h (+50) + (−10) = h (0) (−6) =∶
i (−80) (+8) =∶ i (−5) (−1) =∶ i (+12) (−6) =⋅
j (+5) (−5) =∶ j (+12) + (−2) = j (+18) (+2) =∶
k (−28) (+4) =∶ k (−16) (+8) =∶ k (+16) − (+4) =
l (+260) (−13) =⋅ l (+126) + (−14) = l (+140) (+10) =⋅
m (−13) + (+1) = m (+12) (+12) =∶ m (−160) (−8) =⋅
n (+342) − (+19) = n (−14) (+1) =∶ n (0) + (−5) =
o (+12) − (+12) = o (+30) (+2) =∶ o (−84) (+14) =∶
p (−40) + (−4) = p (+252) + (−14) = p (+4) (−2) =⋅
q (−360) (−20) =∶ q (+39) + (−3) = q (−90) − (+6) =
r (+3) (−1) =⋅ r (+35) − (−5) = r (+32) (−2) =⋅
s (−39) (−13) =∶ s (−56) (+7) =⋅ s (−44) (+11) =⋅
t (−126) − (−18) = t (−96) + (−12) = t (−400) (+20) =⋅
u (−34) (+2) =∶ u (+56) (+14) =∶ u (+20) (−10) =∶
v (0) − (+3) = v (+256) (+16) =∶ v (−28) (−2) =∶
w (−114) + (−6) = w (+190) + (+19) = w (+105) (+15) =∶
x (+119) + (+17) = x (−114) + (−6) = x (+68) − (−4) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+100) (−10) =∶ a (−63) + (+7) = a (+80) (−8) =⋅
b (+35) (−5) =∶ b (−14) + (−7) = b (+16) − (+8) =
c (−54) − (+9) = c (−20) (−10) =⋅ c (+8) (+4) =∶
d (−14) − (+2) = d (−28) + (+7) = d (+12) (−6) =⋅
e (−4) (+2) =∶ e (+5) + (+5) = e (+28) + (+4) =
f (+64) (−8) =∶ f (+56) − (−7) = f (+5) + (−1) =
g (−3) (−3) =⋅ g (−7) − (−1) = g (−4) − (+1) =
h (−40) (−5) =⋅ h (−9) (−3) =∶ h (+6) + (−1) =
i (−1) (−1) =⋅ i (+72) (+9) =∶ i (+20) (+4) =∶
j (−6) − (−3) = j (+12) (+4) =⋅ j (−24) (−8) =⋅
k (+64) − (+8) = k (−15) − (−5) = k (−21) + (−3) =
l (−56) + (+8) = l (−98) (+7) =⋅ l (0) (−7) =∶
m (+99) (−11) =∶ m (+64) (+16) =⋅ m (+135) (+9) =⋅
n (+140) − (−7) = n (+216) (−18) =∶ n (−57) (−3) =∶
o (+60) + (+4) = o (−42) (−7) =⋅ o (+42) + (−6) =
p (+120) (−10) =∶ p (+198) − (−18) = p (−400) (−20) =∶
q (−18) (+3) =∶ q (+210) (+14) =⋅ q (+65) + (+5) =
r (0) (+15) =∶ r (+52) + (+4) = r (+225) (+15) =∶
s (−252) (−18) =⋅ s (+204) (−17) =∶ s (+1) (−1) =∶
t (−51) (−3) =∶ t (−84) + (+6) = t (+36) + (−18) =
u (−300) − (−15) = u (−204) − (+12) = u (−12) (−6) =∶
v (+68) (+4) =⋅ v (−323) − (+19) = v (−28) + (−7) =
w (−30) (+2) =∶ w (−108) − (+6) = w (+342) (−18) =∶
x (−64) − (+16) = x (−96) + (−6) = x (0) (−19) =∶
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+32) − (+4) = a (+30) + (−3) = a (−20) (+2) =∶
b (−4) (+1) =⋅ b (+10) (+1) =∶ b (+20) (−10) =∶
c (0) (+2) =∶ c (+4) + (+4) = c (+5) (+5) =∶
d (−36) (−4) =⋅ d (+10) − (+5) = d (−72) (−8) =∶
e (+63) − (+9) = e (+30) (+3) =∶ e (+10) − (−10) =
f (+45) (+5) =∶ f (+28) − (−4) = f (+28) + (−7) =
g (+42) − (−6) = g (−10) − (+5) = g (+90) (+10) =⋅
h (+80) (+8) =∶ h (+45) (−5) =∶ h (+18) (+9) =∶
i (−20) − (−10) = i (−16) (+4) =⋅ i (+21) (+3) =⋅
j (−72) + (+8) = j (+15) (+5) =∶ j (0) (−8) =⋅
k (−27) + (+9) = k (−5) − (+1) = k (−24) − (−6) =
l (−306) + (−17) = l (−10) (+2) =∶ l (−42) (+6) =∶
m (0) (−16) =⋅ m (+120) (+10) =⋅ m (−26) + (−13) =
n (+204) (−12) =∶ n (+117) (−13) =⋅ n (+110) + (−10) =
o (+234) (+18) =⋅ o (+44) (+11) =⋅ o (+75) − (+5) =
p (−8) − (+8) = p (0) + (+12) = p (−285) (+15) =⋅
q (−110) − (−10) = q (+120) (+8) =⋅ q (+110) (+10) =∶
r (+27) + (−3) = r (+104) (−8) =∶ r (+65) (+5) =⋅
s (−80) − (+10) = s (+272) (−17) =⋅ s (−27) (+3) =∶
t (+280) (−14) =∶ t (+42) − (−14) = t (−91) − (+13) =
u (+3) − (+1) = u (−5) − (−5) = u (+180) + (−9) =
v (−95) (−19) =∶ v (+136) + (−8) = v (+33) − (+11) =
w (−180) + (−10) = w (−156) + (+13) = w (−96) + (−6) =
x (+126) − (−14) = x (−8) − (+1) = x (+66) (−11) =∶
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−30) + (+10) = a (−63) (−7) =⋅ a (−4) (+2) =∶
b (−20) + (−10) = b (+63) (−7) =∶ b (+20) + (+4) =
c (+30) + (−10) = c (+4) − (−2) = c (+28) (+7) =∶
d (−8) − (+1) = d (+48) + (+6) = d (+20) (−4) =⋅
e (+18) + (+3) = e (+40) − (−5) = e (0) (+8) =⋅
f (−45) + (−5) = f (+12) − (−6) = f (+70) (−10) =⋅
g (−40) − (−10) = g (−63) (+7) =∶ g (+6) (−2) =∶
h (−12) (+6) =⋅ h (+21) (−3) =∶ h (−10) (−5) =∶
i (−100) (−10) =⋅ i (−3) + (−3) = i (+30) (−10) =∶
j (−21) + (+3) = j (−6) (+1) =∶ j (−12) + (−4) =
k (+1) + (+1) = k (+7) − (−7) = k (−63) + (−9) =
l (+6) (−6) =∶ l (+380) + (+19) = l (−209) (−19) =∶
m (+9) + (+3) = m (−80) + (−4) = m (+4) (+1) =⋅
n (+40) (−10) =∶ n (+84) (+14) =∶ n (0) − (+10) =
o (−187) (+11) =∶ o (−45) (−15) =⋅ o (+380) − (−19) =
p (−252) + (−18) = p (−40) + (−10) = p (+30) − (−15) =
q (−33) (−11) =∶ q (+18) (−2) =∶ q (−156) − (+13) =
r (−16) (+16) =⋅ r (−28) + (+4) = r (+2) (−2) =∶
s (−70) + (−10) = s (−16) + (−4) = s (+32) − (+2) =
t (−300) (+15) =⋅ t (−114) (+6) =⋅ t (+51) + (+3) =
u (+63) − (+7) = u (−6) + (−2) = u (+98) (−14) =∶
v (−192) + (−12) = v (+17) + (+1) = v (+209) (+11) =⋅
w (+304) (+16) =∶ w (+160) + (+20) = w (−96) + (−6) =
x (+44) (−11) =⋅ x (−78) + (+6) = x (−160) (−20) =∶
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+8) (+1) =∶ a (−54) (+6) =∶ a (+40) (+10) =⋅
b (−35) (+7) =∶ b (+12) − (−2) = b (−9) (−1) =∶
c (−12) (−6) =∶ c (−1) − (−1) = c (−50) (−5) =∶
d (−24) − (−8) = d (−32) + (+8) = d (+45) (+5) =⋅
e (+40) (−8) =∶ e (+48) − (+8) = e (+21) − (+7) =
f (+42) (+7) =⋅ f (+12) (−2) =⋅ f (−10) (−2) =⋅
g (+54) (+6) =∶ g (−56) (+7) =∶ g (+49) (+7) =∶
h (+49) (−7) =∶ h (+6) − (+1) = h (+6) (+3) =∶
i (−27) + (−9) = i (−12) − (+4) = i (+30) − (−5) =
j (−2) (+1) =⋅ j (−30) (−3) =∶ j (−3) + (+3) =
k (0) (−8) =⋅ k (−18) (+3) =∶ k (−10) (−1) =∶
l (+204) (+17) =⋅ l (−22) (−2) =∶ l (+204) (−12) =⋅
m (−63) (−7) =⋅ m (−112) (+16) =⋅ m (−24) (+12) =∶
n (−169) (−13) =⋅ n (−60) + (+4) = n (−36) + (+2) =
o (+128) (+8) =⋅ o (+50) − (+10) = o (−140) (−20) =⋅
p (+6) + (−2) = p (−112) (+8) =∶ p (−36) − (+4) =
q (−120) (−10) =∶ q (−49) (+7) =∶ q (+150) − (−10) =
r (+320) (−16) =⋅ r (+42) (+7) =∶ r (−171) − (+9) =
s (0) (+4) =∶ s (−240) (+16) =∶ s (+35) (+5) =⋅
t (−57) (+19) =∶ t (−180) − (+10) = t (−112) (+8) =⋅
u (−288) (−18) =∶ u (+35) + (+5) = u (+260) (−20) =⋅
v (−126) + (−14) = v (−272) (+16) =∶ v (0) + (+16) =
w (0) (−9) =∶ w (+255) (−15) =∶ w (−252) (−14) =∶
x (−24) + (−12) = x (−7) + (+7) = x (−252) (+14) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+63) + (−7) = a (0) (−2) =⋅ a (−20) (−5) =∶
b (−4) (−4) =∶ b (+81) (−9) =⋅ b (+48) + (+6) =
c (−12) − (−3) = c (+20) (+5) =∶ c (−70) (+10) =⋅
d (+72) + (+9) = d (−10) (−2) =∶ d (−18) + (−6) =
e (+90) (−9) =∶ e (−4) − (−2) = e (+54) − (−9) =
f (−20) (−2) =∶ f (−8) (+2) =∶ f (−1) (+1) =⋅
g (−9) + (−3) = g (−45) (+9) =∶ g (−16) − (−4) =
h (−20) (−4) =⋅ h (+12) (+2) =⋅ h (−18) (+6) =∶
i (+16) (+4) =⋅ i (−72) (+8) =∶ i (−12) (−2) =∶
j (−8) (+1) =∶ j (−30) (+5) =⋅ j (−18) − (−3) =
k (−54) (−9) =∶ k (+30) − (+5) = k (−14) (+7) =∶
l (−11) + (+11) = l (+15) (−1) =∶ l (+20) − (+2) =
m (+42) (−7) =⋅ m (−228) + (−12) = m (+14) (+14) =∶
n (−28) (+14) =⋅ n (+28) − (−7) = n (−234) + (−18) =
o (−247) (−13) =∶ o (−126) (−18) =∶ o (−162) + (−18) =
p (+15) − (+1) = p (−240) − (+20) = p (+102) (−6) =⋅
q (+285) + (+19) = q (+200) + (−20) = q (+208) (−16) =⋅
r (+224) + (+16) = r (−342) + (+18) = r (−95) (−5) =∶
s (−40) − (−5) = s (+165) (−15) =⋅ s (+400) + (+20) =
t (+90) (−18) =⋅ t (+209) + (+19) = t (−36) (−3) =⋅
u (−380) (+19) =∶ u (−14) (−2) =⋅ u (−38) − (+19) =
v (−105) + (+7) = v (−255) (−17) =⋅ v (+285) + (+15) =
w (−128) (+8) =⋅ w (−64) − (+16) = w (+72) (+8) =⋅
x (+108) − (−6) = x (+3) (−3) =∶ x (+102) + (+17) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−10) (+10) =∶ a (−1) + (+1) = a (+45) (−5) =∶
b (−18) (−2) =⋅ b (+36) (+4) =∶ b (+40) − (−8) =
c (−54) (−9) =∶ c (−28) − (−7) = c (+6) (+2) =∶
d (+10) + (−10) = d (−27) (−3) =∶ d (−15) + (−5) =
e (+60) (+6) =∶ e (−6) (−1) =∶ e (+54) (−6) =⋅
f (−60) + (−10) = f (+12) (+3) =⋅ f (−14) (+7) =⋅
g (−30) (+3) =∶ g (+12) − (−3) = g (−7) − (+7) =
h (−24) − (+6) = h (+30) + (−5) = h (+12) (−2) =∶
i (+3) (−1) =∶ i (−35) − (+5) = i (+6) (+6) =⋅
j (+12) + (−3) = j (+7) (−1) =⋅ j (−80) (−8) =∶
k (+6) (−6) =∶ k (−4) (+2) =∶ k (−20) (+5) =∶
l (+80) + (−16) = l (−44) − (+11) = l (+14) (−14) =⋅
m (−100) (+20) =∶ m (+120) − (−20) = m (−272) + (+16) =
n (+400) + (−20) = n (+162) (+9) =⋅ n (+121) (+11) =∶
o (−27) − (−9) = o (+154) (−11) =∶ o (+112) − (+16) =
p (+120) + (−12) = p (+180) − (+15) = p (−260) (+20) =∶
q (−120) − (+10) = q (−70) − (+7) = q (+24) − (−6) =
r (−342) (−18) =∶ r (+33) (−11) =∶ r (+22) (+2) =⋅
s (+99) (−11) =∶ s (−54) + (+18) = s (+180) − (−12) =
t (+180) (+9) =∶ t (−96) + (−16) = t (0) − (+2) =
u (+54) + (+9) = u (+126) − (−7) = u (−234) + (+13) =
v (−171) − (+19) = v (0) (+20) =∶ v (+21) + (+7) =
w (−180) + (+18) = w (+126) (−14) =∶ w (−20) − (−4) =
x (+13) (+13) =⋅ x (−10) (+5) =∶ x (+15) + (−15) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−7) (+7) =⋅ a (−15) + (+5) = a (−20) (+2) =⋅
b (+80) (+10) =∶ b (+30) (−3) =∶ b (−30) + (−10) =
c (+90) − (+9) = c (+8) + (−1) = c (+49) (−7) =∶
d (−28) (−7) =∶ d (−7) − (+7) = d (+35) (+7) =∶
e (−56) (+7) =∶ e (−21) (+3) =∶ e (−24) + (−3) =
f (−18) + (−9) = f (+25) (+5) =∶ f (−63) + (−7) =
g (−30) (+3) =∶ g (+7) (−1) =∶ g (+14) (−2) =∶
h (+8) (−8) =⋅ h (+30) (−10) =∶ h (−27) + (+9) =
i (−80) − (+10) = i (+48) (+8) =∶ i (+36) (−6) =∶
j (+21) (−3) =⋅ j (−40) − (−10) = j (−56) (+8) =∶
k (−49) (+7) =∶ k (−72) (−8) =∶ k (+48) (−8) =⋅
l (−42) (−6) =⋅ l (−13) − (+1) = l (+56) (+8) =∶
m (+100) − (+10) = m (+57) (+3) =∶ m (−36) − (+12) =
n (+288) − (+18) = n (+180) + (+15) = n (0) + (+19) =
o (+35) − (+5) = o (−63) (−7) =∶ o (−34) (−2) =⋅
p (+34) − (+2) = p (−60) − (−10) = p (+100) (−5) =⋅
q (+180) (−10) =⋅ q (+84) (+6) =⋅ q (−78) − (−13) =
r (+144) + (+8) = r (+238) (−17) =⋅ r (+140) − (−7) =
s (+135) − (−9) = s (−60) + (+15) = s (+68) (−17) =∶
t (+320) (+16) =∶ t (+288) + (+18) = t (+209) (+19) =∶
u (+12) + (+2) = u (−76) (−4) =⋅ u (−11) + (−11) =
v (−216) (−18) =⋅ v (+143) (+13) =∶ v (−288) (+18) =⋅
w (−360) (−18) =∶ w (−340) (−17) =∶ w (+72) (−12) =⋅
x (−170) (+10) =∶ x (+306) (+18) =∶ x (+33) + (−3) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−16) + (−8) = a (+12) + (−2) = a (+36) (+4) =∶
b (+56) (+8) =∶ b (−3) − (+1) = b (−6) + (−1) =
c (−54) (−9) =∶ c (+35) + (−5) = c (+90) − (+10) =
d (−18) − (+6) = d (+10) (+2) =⋅ d (+90) (−9) =∶
e (+30) + (+5) = e (−45) (−9) =⋅ e (+56) (−7) =∶
f (+70) (+7) =∶ f (−36) (−6) =∶ f (−18) (−9) =⋅
g (−21) − (+3) = g (−12) − (−2) = g (+8) (+4) =∶
h (+2) (+1) =⋅ h (−16) − (+4) = h (−14) (+2) =∶
i (+50) (+10) =∶ i (−40) (+10) =∶ i (−12) (+2) =∶
j (+8) + (+8) = j (−45) (−5) =∶ j (−24) (+3) =∶
k (+20) (−5) =⋅ k (−64) (+8) =⋅ k (0) (+6) =∶
l (−72) (−12) =∶ l (−54) + (+3) = l (+45) + (−15) =
m (+51) − (+3) = m (−12) − (+4) = m (−42) − (+14) =
n (+7) − (−1) = n (−260) − (+13) = n (+72) (−18) =⋅
o (−98) (+7) =⋅ o (−57) (+19) =⋅ o (+48) − (+6) =
p (−16) + (−1) = p (+33) (−3) =∶ p (−272) (+17) =∶
q (−3) (−1) =∶ q (−133) (+7) =⋅ q (+76) (+4) =⋅
r (+5) (+1) =⋅ r (−20) (−2) =∶ r (−187) (+17) =∶
s (−38) (−2) =⋅ s (+119) − (+7) = s (+100) (+10) =⋅
t (−110) − (−10) = t (+198) (+11) =∶ t (+11) (−11) =∶
u (+78) (−6) =⋅ u (−170) + (−10) = u (+208) − (+16) =
v (−228) + (−19) = v (−57) − (−3) = v (+99) (−11) =⋅
w (+24) − (+2) = w (−10) − (+5) = w (−224) + (+16) =
x (+247) (−19) =⋅ x (−68) + (−17) = x (−6) (+2) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+36) (+6) =∶ a (+24) + (−6) = a (−8) (+8) =∶
b (−6) + (−3) = b (+7) (+1) =∶ b (−54) (+6) =⋅
c (+30) − (−6) = c (+10) (−10) =⋅ c (+72) (−9) =∶
d (+32) − (−8) = d (−24) + (−6) = d (+35) − (−7) =
e (−8) (+1) =⋅ e (−2) (+1) =∶ e (−56) + (+7) =
f (+72) (−9) =∶ f (+6) (+2) =∶ f (−24) + (+8) =
g (0) (+4) =∶ g (+2) (−1) =∶ g (+6) − (−3) =
h (−40) (−10) =∶ h (−20) + (−5) = h (+18) − (+2) =
i (−60) − (−6) = i (−4) (+4) =∶ i (−81) (−9) =∶
j (−14) + (−2) = j (+16) + (+8) = j (+10) (+1) =∶
k (+16) (−4) =⋅ k (−32) (−8) =∶ k (0) + (+10) =
l (+22) − (+2) = l (+216) − (+12) = l (−112) (+14) =∶
m (+100) (−5) =⋅ m (−68) (+4) =∶ m (−323) (+19) =∶
n (+126) (−9) =∶ n (+150) (−10) =⋅ n (−135) (+15) =⋅
o (−88) + (+11) = o (−380) + (+19) = o (+112) + (+16) =
p (+120) + (+20) = p (−30) + (−3) = p (−24) − (+12) =
q (−48) − (+3) = q (+42) + (−14) = q (−260) − (+13) =
r (−42) (+6) =∶ r (+56) − (+8) = r (−114) (+19) =⋅
s (+162) (−9) =∶ s (+140) − (−7) = s (+168) − (+12) =
t (−12) − (+1) = t (+288) (−16) =∶ t (+260) − (−13) =
u (−323) + (+19) = u (−182) + (−14) = u (−144) − (+9) =
v (0) (+1) =∶ v (−18) − (−2) = v (+180) (+15) =⋅
w (+95) + (+5) = w (+152) (−19) =∶ w (+48) (+8) =⋅
x (−136) − (−8) = x (−160) (−16) =⋅ x (−52) + (+13) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+12) (−6) =∶ a (−2) (−2) =⋅ a (+4) (−2) =∶
b (−50) (−10) =⋅ b (+8) (+4) =⋅ b (−10) + (+2) =
c (−6) + (+1) = c (+35) (−7) =⋅ c (−24) + (+6) =
d (+30) (−5) =∶ d (+30) (+3) =∶ d (0) (+6) =∶
e (+36) − (+9) = e (−30) (−6) =⋅ e (−10) (+1) =⋅
f (+18) (−9) =⋅ f (+12) (+3) =∶ f (+18) + (−3) =
g (0) + (+8) = g (+5) (−5) =∶ g (+36) (−6) =⋅
h (+60) (+6) =∶ h (−18) + (−6) = h (−50) (−10) =∶
i (+9) (−1) =⋅ i (0) + (+6) = i (+15) (−5) =∶
j (−10) + (−1) = j (+16) (−4) =∶ j (+45) + (−5) =
k (+63) (−7) =⋅ k (+4) + (−4) = k (−30) (−3) =⋅
l (−96) + (−6) = l (+168) − (−14) = l (+14) + (+14) =
m (+34) (−17) =∶ m (−152) (−19) =⋅ m (−306) − (+17) =
n (−90) (−15) =∶ n (+85) − (−5) = n (−57) (+19) =∶
o (+36) (−9) =⋅ o (−165) (+11) =⋅ o (+342) + (+18) =
p (+324) + (+18) = p (0) (+20) =⋅ p (−72) (−18) =⋅
q (−56) − (+4) = q (−126) (−18) =⋅ q (+380) + (+19) =
r (−4) + (+1) = r (−84) (+14) =∶ r (+9) + (−1) =
s (−60) + (+10) = s (+40) − (+10) = s (+36) + (−9) =
t (+28) + (−4) = t (−255) + (−17) = t (+247) (−13) =⋅
u (−120) (−20) =∶ u (−238) (−17) =∶ u (−180) − (−9) =
v (+80) (−5) =∶ v (−72) (−12) =∶ v (−120) (+12) =⋅
w (−380) (−20) =⋅ w (−180) (+10) =∶ w (+20) − (+1) =
x (+117) (−9) =⋅ x (+11) (−1) =⋅ x (+84) (+12) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+40) − (−5) = a (+72) (−8) =⋅ a (−14) (+2) =⋅
b (0) (+3) =∶ b (+35) + (−7) = b (−18) (−9) =⋅
c (+30) (−10) =∶ c (−35) + (+7) = c (−18) (−2) =∶
d (−4) − (−1) = d (+60) − (+6) = d (−35) (+5) =∶
e (+18) (+2) =∶ e (+36) (−9) =∶ e (−15) (−3) =∶
f (−16) − (−8) = f (−80) (−10) =⋅ f (+42) (+7) =⋅
g (−21) (−7) =∶ g (+6) + (−1) = g (+7) (−7) =⋅
h (+18) (+9) =∶ h (+56) (+7) =∶ h (−63) + (−9) =
i (+8) + (−1) = i (+3) (+3) =∶ i (−81) (+9) =∶
j (+60) − (+10) = j (−63) + (+7) = j (−2) + (−2) =
k (−15) (−5) =∶ k (+12) (+2) =∶ k (+60) + (+10) =
l (+187) − (+17) = l (+130) − (−10) = l (+324) + (+18) =
m (+324) − (+18) = m (0) − (+3) = m (+28) + (−2) =
n (−39) + (−3) = n (+84) (+14) =⋅ n (−48) − (+12) =
o (−80) + (+20) = o (+120) + (+10) = o (−153) (+17) =⋅
p (−120) (+15) =∶ p (+70) − (+14) = p (+126) − (+7) =
q (+168) (+14) =⋅ q (+90) − (−5) = q (−360) (−20) =∶
r (0) − (+3) = r (−110) + (+11) = r (+6) − (+2) =
s (+110) − (+11) = s (+60) (−12) =∶ s (+126) − (+7) =
t (+24) − (−8) = t (−65) (−13) =⋅ t (−380) (+19) =∶
u (−8) (−4) =∶ u (+54) + (+9) = u (+54) − (+9) =
v (0) (+8) =⋅ v (+8) (−4) =∶ v (+28) − (−2) =
w (+34) (+17) =⋅ w (+20) + (+10) = w (−88) (+8) =∶
x (+300) + (+20) = x (−306) (−17) =∶ x (−176) − (+11) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+80) (−8) =∶ a (−5) (−1) =⋅ a (+18) (−3) =∶
b (+10) (−5) =∶ b (+6) (+2) =∶ b (+16) (+8) =∶
c (+20) (+10) =∶ c (+40) (−4) =∶ c (+32) − (−8) =
d (+72) (+8) =⋅ d (−27) (−3) =∶ d (+50) − (+10) =
e (−80) − (+8) = e (+8) (−8) =∶ e (−16) + (+8) =
f (+81) (+9) =⋅ f (+30) − (+3) = f (−10) − (+1) =
g (+10) (−5) =∶ g (−56) (+8) =⋅ g (−1) (−1) =∶
h (−30) (+3) =∶ h (+10) (+2) =∶ h (+80) (+8) =⋅
i (−5) (−5) =∶ i (−15) + (+5) = i (−16) (−8) =⋅
j (+42) (−6) =∶ j (+21) − (−7) = j (+7) + (−1) =
k (−70) − (+7) = k (+9) (−9) =∶ k (−72) + (+8) =
l (−126) (−7) =⋅ l (+68) (−4) =⋅ l (+14) + (−7) =
m (−80) − (−4) = m (+18) − (−18) = m (+30) (−10) =⋅
n (−60) (+10) =∶ n (+140) + (−14) = n (+70) (+5) =⋅
o (+100) (+5) =⋅ o (−160) (+20) =⋅ o (+169) + (−13) =
p (−48) (+8) =⋅ p (−156) (−12) =∶ p (+240) (+12) =∶
q (−208) + (−13) = q (−104) − (+13) = q (+156) (+13) =⋅
r (+65) (−5) =⋅ r (+176) (+16) =⋅ r (+266) (−14) =⋅
s (−152) + (+8) = s (−247) (−13) =∶ s (+252) − (−18) =
t (+117) (−13) =⋅ t (−18) (−6) =⋅ t (−85) − (+17) =
u (+182) (+14) =⋅ u (+64) + (−8) = u (+32) (+16) =∶
v (−18) (+18) =⋅ v (−88) + (+11) = v (−54) (+9) =∶
w (+40) (+8) =⋅ w (+75) (+15) =⋅ w (−22) (−2) =⋅
x (+90) (+10) =⋅ x (−105) (−7) =⋅ x (+90) (+5) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−45) − (−5) = a (+45) − (−9) = a (−40) (+8) =∶
b (+18) + (−2) = b (−40) (+4) =∶ b (−72) (+9) =∶
c (0) − (−6) = c (−8) − (−4) = c (+9) (−3) =∶
d (+30) (+6) =∶ d (+21) (+7) =∶ d (−45) (+5) =⋅
e (−32) − (−8) = e (+28) (−7) =⋅ e (+24) (+4) =∶
f (+50) (+10) =∶ f (0) (−10) =∶ f (−54) + (−9) =
g (+20) (+4) =∶ g (−42) (+6) =⋅ g (−36) (−9) =⋅
h (−48) (−6) =∶ h (+1) (+1) =∶ h (+6) + (+3) =
i (−18) (−2) =∶ i (+54) + (+9) = i (−40) − (−10) =
j (+42) (−6) =⋅ j (−9) (−1) =⋅ j (−30) (+5) =∶
k (0) (−10) =⋅ k (−3) (+1) =⋅ k (−54) (+9) =∶
l (+45) (−5) =⋅ l (+91) (+7) =∶ l (+8) + (+4) =
m (−24) (−6) =∶ m (−45) + (−9) = m (+96) (−16) =∶
n (+160) (−8) =⋅ n (−49) (−7) =⋅ n (+200) − (+20) =
o (+216) − (−18) = o (+72) + (−6) = o (+96) (+16) =⋅
p (+48) (−4) =⋅ p (−3) (+1) =⋅ p (+16) (+2) =⋅
q (−112) (−8) =∶ q (−50) (−10) =∶ q (−304) + (+19) =
r (−136) + (+17) = r (−120) (−20) =⋅ r (+20) − (+10) =
s (−112) (+16) =∶ s (−18) − (+18) = s (+24) − (−2) =
t (+224) (+14) =⋅ t (−19) (+19) =⋅ t (0) (+4) =∶
u (−156) (−12) =⋅ u (−18) (+18) =⋅ u (−18) (+6) =∶
v (0) (+6) =∶ v (−143) − (+11) = v (−195) + (+15) =
w (−84) − (−12) = w (+90) + (−6) = w (−182) + (−13) =
x (+112) − (−14) = x (−72) (+9) =⋅ x (+60) (+6) =∶
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−81) + (−9) = a (0) (+8) =∶ a (−63) (+7) =∶
b (+54) (−9) =∶ b (+6) + (−6) = b (−90) (−9) =⋅
c (+3) (+3) =∶ c (+3) (+3) =∶ c (−40) (−5) =∶
d (+81) (−9) =∶ d (−32) + (−8) = d (−2) (+2) =∶
e (+6) (+1) =∶ e (−15) (+5) =⋅ e (+63) (−9) =∶
f (+5) + (+5) = f (+90) + (−9) = f (−9) (+3) =∶
g (+30) (−3) =∶ g (+14) (+7) =∶ g (−10) (+2) =∶
h (−54) + (−9) = h (+24) (+4) =∶ h (−12) (−4) =∶
i (+36) (−9) =∶ i (−72) (−8) =∶ i (−48) (+6) =∶
j (+40) − (−5) = j (+27) (+3) =⋅ j (0) + (−4) =
k (−50) + (−10) = k (+54) (+9) =⋅ k (+48) − (−8) =
l (+72) (+12) =∶ l (−209) (−11) =∶ l (−98) + (+7) =
m (−220) (+11) =⋅ m (−16) (+8) =∶ m (+77) (−11) =∶
n (+126) (+7) =⋅ n (−30) (−3) =∶ n (+187) (−11) =∶
o (+16) − (+8) = o (+64) − (+8) = o (−126) (+14) =∶
p (+133) (−7) =⋅ p (−32) + (−8) = p (+126) − (−7) =
q (+40) − (+2) = q (+225) − (+15) = q (+17) (+17) =∶
r (−3) (+3) =⋅ r (+255) − (−15) = r (0) + (+9) =
s (−16) − (−16) = s (−342) + (+18) = s (−18) + (+1) =
t (+14) − (+14) = t (−18) (−2) =∶ t (−88) − (−8) =
u (+57) − (−3) = u (−30) (+10) =∶ u (−90) + (+9) =
v (−224) (+14) =∶ v (+30) − (−15) = v (+36) − (−18) =
w (+68) − (−17) = w (+168) + (−14) = w (+255) (−17) =⋅
x (−14) − (−1) = x (−20) (+20) =∶ x (−44) (+4) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+15) (−5) =∶ a (0) (+6) =⋅ a (−45) (−9) =⋅
b (−60) (−10) =∶ b (+54) + (+9) = b (−80) − (−10) =
c (+5) + (−1) = c (−64) (−8) =⋅ c (−36) (+9) =∶
d (0) − (+7) = d (−10) (+2) =⋅ d (−27) (+3) =∶
e (+8) (+1) =∶ e (+10) + (−1) = e (+28) − (−4) =
f (+8) − (+2) = f (+64) (−8) =∶ f (−15) (−5) =∶
g (−56) (−8) =⋅ g (+50) (+5) =⋅ g (+7) (−7) =∶
h (+21) + (+7) = h (−6) (−2) =∶ h (+36) (−9) =⋅
i (−12) + (+4) = i (−16) (−2) =∶ i (−24) (−3) =⋅
j (0) + (−2) = j (−28) (−4) =⋅ j (+49) (+7) =∶
k (+36) (+6) =∶ k (+30) − (−3) = k (+90) (−10) =⋅
l (−3) (−1) =∶ l (+204) − (−17) = l (+228) (+12) =∶
m (−88) (+8) =⋅ m (+180) − (+15) = m (+51) (−3) =∶
n (−300) − (−20) = n (0) (−2) =⋅ n (−182) (+14) =∶
o (−11) (+1) =∶ o (−102) (+6) =⋅ o (+120) + (+15) =
p (−300) (−15) =∶ p (0) (+19) =⋅ p (+78) − (+6) =
q (+153) + (+9) = q (−152) − (+8) = q (−48) + (+6) =
r (−21) (−7) =∶ r (−120) + (−20) = r (+10) − (+2) =
s (+4) (−2) =∶ s (−24) − (+6) = s (+78) (+6) =∶
t (+168) (−12) =⋅ t (+14) − (+1) = t (+200) + (+10) =
u (−54) (−18) =∶ u (−56) − (+7) = u (−72) + (−4) =
v (−224) + (+14) = v (−55) − (−11) = v (+60) − (+6) =
w (+304) − (+16) = w (+42) (−7) =⋅ w (0) − (−18) =
x (+342) (+18) =⋅ x (+90) (−10) =⋅ x (+81) (+9) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+4) (−1) =⋅ a (−50) (+10) =⋅ a (+18) − (+3) =
b (+9) (−3) =∶ b (+9) + (+3) = b (−70) + (+7) =
c (+4) − (+1) = c (+14) (−2) =⋅ c (−6) (−1) =⋅
d (+4) − (−1) = d (−14) (−7) =⋅ d (+40) (+10) =∶
e (+24) + (+8) = e (−24) (+3) =∶ e (−8) + (+8) =
f (−7) + (−1) = f (+3) + (+3) = f (+20) (+10) =∶
g (+30) (+5) =∶ g (−6) (+6) =∶ g (+45) (+5) =∶
h (+18) (−9) =∶ h (−40) (+4) =∶ h (−10) (−1) =∶
i (−32) (+4) =⋅ i (+63) + (−9) = i (−27) (+9) =∶
j (+9) (+9) =⋅ j (0) (−2) =∶ j (+36) (−6) =⋅
k (0) (−7) =∶ k (−12) + (+3) = k (+60) + (+6) =
l (+270) (−18) =⋅ l (+24) − (−3) = l (+143) (−11) =∶
m (−51) − (−3) = m (−15) (+15) =∶ m (−220) + (−11) =
n (−96) − (+8) = n (−132) + (+12) = n (−80) (−16) =⋅
o (−9) + (−3) = o (+90) (+6) =⋅ o (+306) − (+17) =
p (+36) (+2) =∶ p (−342) (−18) =∶ p (+48) (+3) =∶
q (+28) − (−14) = q (−6) (+2) =⋅ q (−247) (+19) =⋅
r (+3) − (+3) = r (−18) − (−2) = r (−9) + (−3) =
s (−176) + (+11) = s (−198) − (+18) = s (+252) (−18) =∶
t (−360) + (−20) = t (−162) (+9) =∶ t (+180) − (−9) =
u (+81) (+9) =⋅ u (−247) − (−13) = u (+76) (−4) =∶
v (+180) − (−12) = v (−10) − (+1) = v (−30) (−6) =∶
w (−27) + (−3) = w (+128) (+16) =⋅ w (−20) (−10) =⋅
x (+342) (+19) =⋅ x (+90) + (+15) = x (−90) (−15) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+48) + (−8) = a (+48) (+6) =∶ a (−7) (+7) =∶
b (+40) (+8) =∶ b (+12) + (+3) = b (+81) + (−9) =
c (−32) (−8) =∶ c (−50) − (+10) = c (−30) (+3) =⋅
d (−10) (+5) =∶ d (−40) (−8) =⋅ d (−8) − (+1) =
e (+45) (−5) =∶ e (+60) (−6) =∶ e (−48) − (−6) =
f (−24) (+8) =∶ f (−15) (+3) =∶ f (−10) (+2) =∶
g (+48) (−8) =⋅ g (+4) (−2) =∶ g (+36) (+4) =∶
h (+7) (−7) =∶ h (−54) + (+6) = h (+3) (+1) =⋅
i (+35) − (−7) = i (+3) (−3) =∶ i (+2) − (−1) =
j (−14) (−7) =∶ j (+18) − (−6) = j (−49) (+7) =∶
k (+21) (+3) =⋅ k (−27) + (+9) = k (+6) (+6) =⋅
l (−18) (−3) =⋅ l (+228) − (+12) = l (+128) − (+8) =
m (+360) + (−20) = m (+54) (+3) =∶ m (−12) + (−12) =
n (+144) − (+9) = n (+72) (−8) =⋅ n (+108) (−9) =∶
o (+3) + (−3) = o (−11) (−11) =⋅ o (+150) − (+10) =
p (−323) + (−19) = p (−4) − (−1) = p (+140) (+7) =⋅
q (+272) (−16) =∶ q (−60) (+3) =⋅ q (+18) (+2) =∶
r (+12) (−4) =⋅ r (−12) (+6) =⋅ r (−90) − (+18) =
s (+110) (+11) =∶ s (+20) (+2) =∶ s (−126) (−14) =⋅
t (+84) (−7) =∶ t (−210) (−14) =⋅ t (+90) (+6) =∶
u (+20) + (−2) = u (+48) + (−8) = u (−255) − (−15) =
v (+99) (+9) =∶ v (−200) + (+20) = v (−80) − (+16) =
w (+228) − (+12) = w (−7) (+1) =⋅ w (+55) − (−11) =
x (+96) + (+16) = x (+10) (−10) =∶ x (+12) (+6) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−48) − (−8) = a (+36) (−6) =∶ a (−16) (+8) =∶
b (+24) − (+6) = b (−24) (+8) =⋅ b (+10) (+2) =∶
c (+49) (+7) =⋅ c (+20) (−10) =∶ c (−18) (−3) =∶
d (−90) (+10) =⋅ d (+30) + (+5) = d (−2) + (−1) =
e (+12) (−3) =∶ e (−8) + (−8) = e (+3) (−3) =⋅
f (0) − (+3) = f (−7) (+7) =∶ f (−21) (+3) =∶
g (+90) + (−10) = g (+20) + (+4) = g (0) − (−5) =
h (−49) + (−7) = h (−20) + (−2) = h (+3) (+1) =∶
i (+100) (−10) =∶ i (−12) (−4) =∶ i (+9) − (−9) =
j (−32) − (+4) = j (−48) − (−6) = j (+7) (+7) =⋅
k (+27) + (+3) = k (+81) + (−9) = k (−1) (+1) =⋅
l (0) (+4) =∶ l (−126) − (+7) = l (+120) (−10) =⋅
m (+234) + (+18) = m (+180) + (−15) = m (−80) (+20) =⋅
n (−18) − (−1) = n (+57) − (−3) = n (+30) + (+15) =
o (−24) − (−12) = o (+2) − (−2) = o (−340) (+20) =∶
p (−182) (−13) =⋅ p (+190) (−19) =⋅ p (+6) (−1) =⋅
q (+260) − (−20) = q (−40) + (−4) = q (−380) (−20) =∶
r (−260) (+20) =∶ r (+100) + (−20) = r (+84) + (−7) =
s (+252) (−14) =∶ s (+105) − (+7) = s (0) − (+19) =
t (−90) − (−18) = t (+90) (−15) =∶ t (−48) (+6) =⋅
u (+3) + (+1) = u (−96) − (−8) = u (+26) + (+2) =
v (+187) (+11) =∶ v (−80) + (−4) = v (+56) (+8) =⋅
w (+198) + (+11) = w (−216) (+18) =⋅ w (+210) (−14) =⋅
x (−52) + (+13) = x (−306) − (−18) = x (−36) − (−6) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−8) (+1) =∶ a (+70) (+7) =⋅ a (−2) + (−1) =
b (−9) (+9) =⋅ b (−25) (+5) =∶ b (−18) + (−3) =
c (−2) + (−2) = c (+36) + (−4) = c (+28) (−7) =∶
d (−5) + (−5) = d (−8) (−2) =∶ d (−70) − (−7) =
e (−9) + (+3) = e (+40) (−8) =∶ e (+54) (−6) =⋅
f (−5) − (−5) = f (−9) + (−3) = f (−40) (+4) =⋅
g (+18) (−6) =∶ g (+14) (−2) =⋅ g (+36) + (−4) =
h (−20) (+4) =∶ h (−4) + (+4) = h (−56) (−7) =∶
i (+15) − (+5) = i (−10) (+5) =∶ i (0) (+7) =⋅
j (+36) (+9) =∶ j (+80) (+10) =∶ j (−7) − (−1) =
k (+8) + (+8) = k (+6) (−1) =⋅ k (+8) − (−2) =
l (−255) + (−15) = l (+320) + (+16) = l (−30) + (−10) =
m (+144) (−16) =∶ m (+240) (−12) =⋅ m (−20) − (+20) =
n (−400) − (+20) = n (+84) (−7) =∶ n (−28) + (+7) =
o (−72) (+9) =⋅ o (−165) − (−15) = o (−247) − (−19) =
p (−72) − (+9) = p (+64) − (+8) = p (+144) − (−18) =
q (−88) (−11) =⋅ q (−160) + (−10) = q (−60) (+3) =∶
r (+19) + (−1) = r (−136) + (+17) = r (+95) − (−19) =
s (−60) − (+20) = s (−77) (−11) =⋅ s (−192) (+12) =∶
t (+60) (+15) =⋅ t (+180) − (−10) = t (+32) + (+8) =
u (−180) − (+20) = u (−168) (+12) =⋅ u (−16) − (+8) =
v (−85) (+17) =∶ v (−95) − (+5) = v (−88) (+8) =∶
w (−270) − (−18) = w (−208) (−16) =⋅ w (+80) + (−8) =
x (−36) + (−2) = x (+170) + (+10) = x (+380) + (−20) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (0) − (−2) = a (+27) + (−9) = a (+63) + (−9) =
b (+90) (−9) =∶ b (+8) + (+4) = b (+56) + (−7) =
c (0) (+9) =∶ c (−2) (+2) =∶ c (+70) − (+7) =
d (−40) − (−4) = d (+8) − (+4) = d (+4) − (+1) =
e (+90) (+10) =∶ e (+45) + (−5) = e (−40) − (+10) =
f (−54) + (−6) = f (0) − (+7) = f (+27) + (+3) =
g (0) (−6) =⋅ g (−4) − (−2) = g (−3) (−3) =⋅
h (−9) (+3) =∶ h (+36) + (−9) = h (−4) − (+1) =
i (+48) (−6) =⋅ i (+70) + (+7) = i (−10) (−10) =⋅
j (+1) (−1) =∶ j (+4) + (−2) = j (+24) (−4) =⋅
k (−27) (+9) =∶ k (+16) + (−8) = k (−12) (−4) =∶
l (−195) + (−13) = l (+19) − (+19) = l (−200) + (+20) =
m (+98) (−7) =⋅ m (+15) (+3) =⋅ m (−1) − (−1) =
n (−198) + (+11) = n (+7) (−7) =∶ n (+209) (−19) =∶
o (−72) (+8) =⋅ o (+55) (−11) =∶ o (−340) (+20) =⋅
p (−130) (−13) =⋅ p (+182) (+13) =⋅ p (−84) (−14) =∶
q (+8) − (−8) = q (+30) − (−6) = q (−204) (−12) =∶
r (+200) − (+10) = r (−90) − (+10) = r (−182) − (−14) =
s (−9) − (+1) = s (−18) + (+1) = s (−140) (−14) =⋅
t (−208) (−16) =⋅ t (+88) (+8) =⋅ t (−240) − (+15) =
u (+48) + (+4) = u (+117) (+9) =⋅ u (−156) (−12) =⋅
v (+108) − (+18) = v (−98) − (−14) = v (+143) − (−11) =
w (+160) − (+16) = w (+102) (−17) =⋅ w (+14) (+2) =⋅
x (−280) (+14) =∶ x (−168) − (+12) = x (+285) − (+19) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+16) (−2) =∶ a (+27) + (−3) = a (−30) (+6) =∶
b (−10) (−2) =∶ b (−100) (−10) =∶ b (+10) (−5) =∶
c (−54) (−9) =∶ c (+14) + (+7) = c (−16) + (+4) =
d (+3) (−1) =⋅ d (−56) − (−8) = d (+18) (−6) =⋅
e (+60) (−10) =∶ e (+100) (+10) =⋅ e (−4) − (−4) =
f (−6) + (+1) = f (−10) + (+1) = f (+2) (+1) =∶
g (+14) (+2) =∶ g (+72) (−9) =∶ g (+40) + (+5) =
h (+48) (−8) =∶ h (+3) − (+1) = h (+12) − (−4) =
i (−25) (−5) =∶ i (0) (+4) =⋅ i (+10) − (−5) =
j (−18) (+9) =⋅ j (−6) + (−3) = j (−6) − (+2) =
k (+25) − (+5) = k (+4) − (−4) = k (+8) (+8) =⋅
l (+20) (−10) =⋅ l (+121) + (+11) = l (+100) (−5) =∶
m (+240) (+12) =∶ m (−102) − (−6) = m (−35) − (−7) =
n (−36) − (+18) = n (+266) − (+19) = n (−140) − (−20) =
o (−280) (+20) =⋅ o (−22) + (−2) = o (+18) (−2) =∶
p (−195) (+15) =⋅ p (−135) + (−15) = p (+15) + (−3) =
q (+117) + (−13) = q (+77) (+7) =∶ q (+16) − (+4) =
r (−60) (+20) =∶ r (+112) (+16) =∶ r (+63) (+7) =⋅
s (−10) (−1) =∶ s (+168) − (+14) = s (+228) + (−12) =
t (+12) (+3) =⋅ t (−152) (−19) =⋅ t (+2) − (−2) =
u (−60) (−6) =∶ u (0) + (+19) = u (+32) + (+8) =
v (+190) + (−19) = v (−38) (−19) =⋅ v (−60) − (+10) =
w (−25) − (+5) = w (+121) − (+11) = w (−70) − (+14) =
x (+52) (+4) =∶ x (−88) (−11) =⋅ x (−32) − (−8) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (+24) − (+8) = a (−90) (−9) =⋅ a (−48) (+6) =∶
b (+8) − (+1) = b (−9) (+1) =⋅ b (−100) (−10) =⋅
c (−9) (−9) =∶ c (−72) (+8) =∶ c (−7) (−7) =∶
d (−15) (+5) =∶ d (−70) + (+10) = d (+6) (+3) =⋅
e (+3) (−1) =⋅ e (−14) (+7) =⋅ e (−8) + (+8) =
f (−24) (+6) =∶ f (−10) − (−5) = f (−20) (+4) =∶
g (−30) − (+3) = g (−8) + (+4) = g (−35) − (+7) =
h (+64) (−8) =⋅ h (−24) (−6) =∶ h (−54) (−9) =⋅
i (−36) (+4) =∶ i (+12) (−3) =∶ i (−42) (+7) =∶
j (−24) (−6) =∶ j (−63) (+7) =∶ j (+4) (−4) =⋅
k (−48) − (+8) = k (+6) + (+3) = k (+12) + (−2) =
l (−30) + (+2) = l (−221) + (+17) = l (−110) (−10) =⋅
m (−182) − (+14) = m (+84) (−12) =⋅ m (+304) (+19) =∶
n (+342) (−18) =∶ n (−198) (−18) =∶ n (−80) + (−4) =
o (+288) (+18) =∶ o (−54) − (+9) = o (−9) − (−1) =
p (−5) − (+1) = p (−76) (−19) =⋅ p (+260) + (+20) =
q (−140) (−7) =⋅ q (+26) + (−2) = q (0) + (+17) =
r (+21) (−7) =∶ r (+14) (+1) =⋅ r (−182) + (+14) =
s (+176) (−11) =⋅ s (−255) (−15) =⋅ s (−80) (+16) =∶
t (+16) (+16) =⋅ t (−26) − (+13) = t (+9) + (−1) =
u (+143) − (+11) = u (−14) (−7) =⋅ u (−6) + (−3) =
v (−171) + (+19) = v (−49) − (−7) = v (−20) + (−1) =
w (+238) (+17) =∶ w (+104) − (+8) = w (−360) + (+18) =
x (−119) (+17) =∶ x (−12) (+6) =∶ x (+99) (−11) =⋅
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
a (−36) (+6) =∶ a (−27) + (+3) = a (+45) (−9) =∶
b (−27) (−3) =∶ b (+32) (+4) =⋅ b (−72) (−8) =∶
c (+7) (−7) =⋅ c (−49) (−7) =∶ c (−36) (−4) =∶
d (+60) − (−6) = d (+6) (−3) =∶ d (−24) (+3) =⋅
e (0) + (−8) = e (+8) (−1) =∶ e (−40) − (−10) =
f (−90) − (+10) = f (+40) (+5) =⋅ f (+5) (+5) =⋅
g (+24) (+8) =∶ g (+25) − (+5) = g (−18) (+2) =⋅
h (−20) (−2) =⋅ h (−9) (−3) =∶ h (−8) + (−8) =
i (+40) (+5) =∶ i (+24) (+3) =⋅ i (−16) (+2) =⋅
j (−56) + (+7) = j (−60) (+6) =∶ j (−4) + (+1) =
k (+24) (+8) =∶ k (−4) (−1) =∶ k (−6) + (−6) =
l (−80) (−5) =∶ l (+57) − (+3) = l (+252) (+18) =⋅
m (+40) (+5) =⋅ m (+52) (+4) =⋅ m (−105) + (+15) =
n (−30) − (−10) = n (−48) − (−3) = n (+168) (−12) =∶
o (−156) + (+12) = o (+13) − (+13) = o (−300) − (−20) =
p (+56) + (+8) = p (+8) (+4) =∶ p (+255) (−17) =⋅
q (+228) (+12) =∶ q (−76) + (+19) = q (+170) (+17) =∶
r (+176) (+11) =∶ r (−19) (−1) =∶ r (+128) + (+16) =
s (+40) − (+10) = s (+11) (+11) =∶ s (−55) (+11) =∶
t (−225) + (+15) = t (−4) (−4) =∶ t (+204) (+12) =⋅
u (+119) (+7) =∶ u (−60) + (+15) = u (−304) − (−16) =
v (+25) + (−5) = v (−180) (+12) =∶ v (+221) − (+17) =
w (+4) (+1) =∶ w (+209) (+19) =⋅ w (−360) + (−18) =
x (−9) (+1) =∶ x (−285) (+15) =⋅ x (+102) + (+6) =
a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20 a * b con −20 ≤ b ≤ +20
