Автор - lisenokliza02

Решите уравнение: 1 7/8 : 8 1/3 = х : 4/9

Ответ

Автор - Azeriyem
15/8 / 25/3 = x/ 4/9
15/8 * 3/25 = x / 4/9
9/40 =x / 4/9 
x= 9/40 * 4/9
x= 1/10
 проверяем:  15/8 * 3/25 = 1/10 / 4/9
 9/40 = 1/10 *9/4
 9/40 = 9/40

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