Предмет: Математика, автор: fataliyevnicat8

Решите пожалуйста 564, 565, 566, 567

Приложения:

Ответы

Автор ответа: saltaamir10

Ответ:

566

1)х=3

2)х=3

3)х=15

4)х=15

Пошаговое объяснение:

566

1)3*х=9*1. 2)6*х=18*1. 3)4*х=3*20.

3*х=9. 6*х=18. 4*х=60

х=9:3. х=18:6. х=60:4

х=3. х=3. х=15

4)8*х=40*3

8*х=120

х=120:8

х=15

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