Question

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) (+3) + (– 2) + (– 5) =

(-1)+(-5)=

-6

B) (– 2)– (+1)– (+5) =

(-3)-(+5)=

-8

C) (+4) + (– 2)– (+3) =

(2)-(+3)=

-1

D) (+5)– (– 3)– (– 1) =

(8)-(-1)=

9

E) (+4) + (– 6)– (+7)– (– 6) + (+7) =

(-2)-(+7)-(-6)+(+7)=

(-9)-(-6)+(+7)=

(-3)+(+7)=

4

Espero ter ajudado, bons estudos!