4 5/12-1 1/2: (2 1/6 + 8/15) * 1 4/5

Question

Математика

Иоланта

6 мая, 16:14

4 5/12-1 1/2: (2 1/6 + 8/15) * 1 4/5

+3

Ответы (1)

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Лаврюся · Answer 1

4 5/12-1 1/2: (2 1/6 + 8/15) * 1 4/5=53/12 - 3/2: (13/6 + 8/15) * 9/5 = 53/12 - 3/2: (65/30 + 16/30) * 9/5 = 53/12 - 3/2:81/30*9/5 =

= 53/12 - 3/2:81/30*9/5 = 53/12 - 3/2*30/81*9/5 = 53/12 - 1 = 53/12 - 12/12 = 41/12 =

= 3 5/12