Question

a)(+8)+(-3)+(+7)= b)(+1)+(-4)+(+10)= c)(+2)+(-9)+(-8)= d)(-5)+(-2)+(+30)= e)(-12)+(-9)+(+1)= f)(-8)+(+10)+(-15)+(-20)=

Answer 1

Resposta:

A)12 B)7 C)0 D)23 E)0 F)0

Explicação passo-a-passo:

Answer 2

Resposta:

a) 8 - 3 + 7 = 5 + 7 = 12

b) 1 - 4 + 10 = -3 + 10 = 7

c) 2 - 9 - 8 = -7 - 8 = -15

d) -5 - 2 + 30 = -5 + 28 = 23

e) -12 - 9 + 1 = -21 + 1 = - 20

f) -8 + 10 - 15 - 20 = 2 - 35 = -33