Question

resolva:

A)(+3)+(-2)+(-5)=

B)(-2)-(+1)-(+5)=

C)(+4)+(-2)-(+3)=

D)(+5)-(-3)-(-1)=

E)(+4)+(-6)-(+7)-(-6)+(+7)=​

Answer 1

Resposta:

a) -4. d) +9.

b) -8. e) +4.

c) -1.

Explicação passo-a-passo:

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

+3-2-5=

+1-5= -4

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

-2-1-5=

-3-5= -8

c) (+4)+(-2)-(+3)=

+4-2-3=

+2-3= -1

d) (+5)-(-3)-(-1)=

+5+3+1=

+8+1= +9

e) (+4)+(-6)-(+7)-(-6)+(+7)=

+4-6-7+6+7=

-2-1+7=

-3+7= +4