Question

Calcule
A) -10 -3 +6
B) +8 -7 +9 -5
C) -4 -3 -2 +1 +2 +3
D)+8 -17 +5 -14 -20

Obg

Answer 1

Resposta:

a) -7

b) -5

c) -3

d) -38

Answer 2

Resposta:

A) -13 + 6 = -7

B) -12 + 17 = +5

C) -9 +6 = -3

D) +13 -51= -38