Предмет: Математика, автор: dvditrih09

СРОЧНО!!!!
Реши уравнение:
10у + у — 5у = 78.

Приложения:

Ответы

Автор ответа: lenamigali95

1

Ответ: 13

10у+у-5у=78

6у=78

у=13

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