Question

a) - 5 + 7 - 3 + 3 - 5 =
b) - ( -4) + 3 - 5 + 2 -( -5) =
c) - ( -3 + 4) + 1 + 7 + ( -10+ 3)=
d) + 9 - 5 + (-4+ 3) - 10 +10 - ( 3- 4)
e)-5 + 3 - 7 + 9 -12 + 4 - 3 + 7 + 5 -9 + 12 -4

Answer 1

Resposta:

1. 7

2.9

3.22

4.14

5.10

Explicação passo-a-passo:

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