Question

4. Resolva as operações. (2.0)
a) 1/4+2/5-1.6

b) 5/7-2/5+(6/7×3/2)

c) (1/6×2/4)-(9/6:1/4)

d) (2/5×3/4)+(1/2×4/2)-(5/8:9/2)+3/12




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Answer 1

Resposta:

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