Question

[45-3(3×5-2)]÷2 me ajudem
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Answer 1

Resposta:

[ 45-3 ( 3x5-2 )] ÷2

[ 45-3 ( 15-2 )] ÷2

[ 45-3 + 13 ] ÷ 2

[ 42 + 13 ] ÷ 2

55 ÷ 2

27.5