Question

a) (+7) + (+3) = b) (-2) (+15)=


c) (-3) + (-9) = d) (-8) + 0(+1=


e) (+31) + (-45) + (+3) =
f) (+27) + (+13) + ( - 28) =​

Answer 1

Resposta:

A) (+7)+(+3)=10

B) (-2) (+15)=13

C) (-3)+(-9)=-12

D) (-8)+0(+1=-7

E) (+31)+(-45)+(+3)=79

F) (+27)+(+31)+(-28)=30