Предмет: Математика, автор: Хорошистка4511

5:х=20:40 Решите уравнение пожалуйста

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Автор ответа: Аноним

Гораздо легче всегда, если числа меньше, надо сокращать.
5/х=20/40
5/х=1/2
х=5:(1/2); х - делитель.
х=5*2
х=10.

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