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Ответ:

Пошаговое объяснение:

1.

х = 77 : 11/15 = 77 * 15/11 = 7*15 = 105

2.

х = 92 : 23/28 = 92 * 28/23 = 4 * 28 = 112

3.

х = 25 : 15/64 = 25 * 64/15 = 5*64/3 = 320/3 = 106 целых 2/3

4.

х = 80/9 : 16/3 = 80/9 * 3/16 = 5/3 = 1 целая 2/3

5.

у = 34/5 : 17/5 = 34/5 * 5/17 = 2

6.

у = 57/4 : 19/2 = 57/4 * 2/19 = 3/2 = 1 целая 1/2