Question

2) Calcule x + y para:
a) x = +5 e y = +7
c) x = +8 e y=+11
d)x=-15 e y=-10
b) x= -3
e
y=-7​

Answer 1

Resposta:

a=5+7=12

b=(-3)+(-7) =-10

c=8+11=19

d=(-15)+(-10)=-25