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Porttyuigo
Respondido

a) 5 + 2 × 8 =

b) 3 – 7 × 3 =

c) 30 + 8 ÷ (–2) =

d) 3 + 6 × 2 – 15 ÷ (–3) =

e) {4 – [2 × (8 – 12)] ÷ 2} =

f) 2 + [3 ÷ (10 – 11) + 1] ÷ 2} =






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Resposta :

Resposta:

a) 21

b) 18

c) 26

d) 20

e) 8

f) 1

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