Предмет: Математика, автор: gricajola6

Знайди невідомий член пропорції

2 1/3:x=5 1/3:1 5/7

СРОЧНО Пожалуйста!!!!!

Даю 50балов

Ответы

Автор ответа: iramazurk

1

Ответ:

3/4

Пошаговое объяснение:

2 1/3 : х = 5 1/3 : 1 5/7

5 1/3 * х = 1 5/7 * 2 1/3

16/3х = 12/7 * 7/3

16/3х = 4/1 * 1/1

16/3х = 4

х = 4 : 16/3

х = 4 * 3/16

х = 12/16

х = 3/4

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