Question

a) (+3)+(-2)+(-5)
b) (-2)-(+1)-(+5)
c) (+4)+(-6)-(+7)-(-6)+(+7)
d) (-3)-(-5)+(-6)+(+8)-(-4)​

Answer 1

Resposta:

Explicação passo-a-passo:

a) (+3)+(-2)+(-5)

+3-2-5= -4

b) (-2)-(+1)-(+5)

-2-1-5= -8

c) (+4)+(-6)-(+7)-(-6)+(+7)

4-6-7+6+7=  4

d) (-3)-(-5)+(-6)+(+8)-(-4)​

-3+5-6+8+4= 8