Verified answer

Ответ:

Пошаговое объяснение:

х:4/15=5. 5/8

x = 5. 5/8 * 4/15

x = 45/8 * 4/15

x = 3/2

x = 1. 1/2

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15/17:х=3

x = 15/17 : 3

x = 15/17 * 1/3

x = 5/17