Question

2 – Resolva as seguintes expressões numéricas:

a) (−25) + (−13) =

b) [2 + 3 x 4] ÷ 7 + 5 =

c) [(+8) + (−4)] + (−6) =

d) {[(18 + 3 x 2) ÷ 6] + 7 x 3} ÷ 5 =

Answer 1

Resposta:

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