Вычислите (1-11/15)*5—5/8

Question

Вычислите (1-11/15)*5—5/8

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Answer 1

1) 1 - 11/15 = 15/15 - 11/15=4/15
2) 4/15 * 5 5/8 = 4/15 * 45/8 = (4*45)/(15*8) =(1*3)/(1*2) = 3/2 = 1 1/2