Предмет: Математика, автор: pro100Ignat

Помогите пожалуйста

Только второе и четвертое в 123 номере

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Автор ответа: eldosnurik094
1

Пошаговое объяснение:

2) y:9=50:5

5y=450

y=90

4) 66:t=24:4

264=24t

24t=264

t=11, t≠0

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