01- Calcule:

a) +5 + 3 =
b) +1 + 4 =
c) -4 - 2 =
d) -3 - 1 =
e) +6 + 9 =
f) +10 + 7 =
g) -8 -12 =
h) -4 -15 =
o) -10 - 15 =
j) +5 +18 +10 =
k) -31 - 18 - 2 =
l) +20 +40 + 2 + 8 =
m) -20 - 40 -2 - 8 =
n) 15 -3 + 2 =
o) 42 - 30 + 8 - 7 =
p) -10 -10 - 8 + 4 =

02- Calcule:

a) (+3) + (-2) =
b) (+5) + (+1) =
c) (-7) + (+5) =
d) (+2) + (-8) =
e) (-9) + (+4) =
f) (+6) + (-5) =

03- Calcule:

a) (-22) - (-19) =
b) (+32) - (+14) =
c) (-25) - (-25) =
d) (-94) - (-04) =
e) (+105) - (+105) =
f) (-280) - (-80) =

04- Calcule:

a) 10 . (-5) =
b) -8 . (-3) =
c) 15 : (-5) =
d) -40 : 2 =
e) 25 : (-5) . 4 =
f) (-18) : (-3) . (-9) =
g) (-4) . (+6) : (-2) =

05- Resolva:

a) -2 + 5 . 3 -1 =
b) 20 : (-4) + 12 =
c) -8 . (-5) : 40 =
d) 10 - (+10) -2 =
e) -25 - (-5) + 8 . (-1) =
f) 8 + 2 . 5 - 18 =
g) (-3)² + 1 - (-20) =
h) -(-3)³ + (-27) =
i) 80 : (-2) - 10 + 5² =
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