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Автор - mferist

Решить пропорцию:
2 3/7 x : 5 1/2 = 3/11 : 14/17
Объясните пожалуйста, как такие уравнения решать

Ответ

Автор - tatsach

Ответ:

Пошаговое объяснение:

произведение крайних равно произведению средних


2 37х*1417=5 12*311


177х*1417=112*311


2х=32


х=32:2


х=32*12


х=34

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