Question

2. Calcule:

a) (+ 7) – (+ 3) =

b) (– 8) – (+ 5) =

c) (+ 5) – (– 2) =

d) (– 3) – (+ 8) =

e) (– 2) – (– 4) =

f) (+ 3) – (+ 8) =​

Answer 1

Resposta:

(a)(+7)-(+3)=(+4)

(b)(-8)-(+5)=(-13)

(c)(+5)-(-2)=(+7)

(d)(-3)-(+8)=(-11)

(e)(-2)-(-4)=(-2)

(f)(+3)-(+8)=(-5)

Answer 2

Resposta:

a) +7-3=4

b) -8-5=-13

c) +5+2=7

d) -3+8=5

e) -2+4=2

f) +3-8=-5

Explicação passo-a-passo:

+ com + = +

- com - = +

+ com - =  -