Предмет: Математика, автор: zhedeltimur2013

математика 5 класс номер 508 (6,7,8)

Приложения:

Ответы

Автор ответа: 79977997zz

Ответ:

5)7/13

7)2/5

8)3/20

Пошаговое объяснение:

Автор ответа: PincakAlisa

6) х:2/18=18
х•18/2=18
Скорочуємо на 2
х•9=18
9х=18
х=18:9
х=2
В.2

7) х:10=1/25
1/10х=1/25 множимо обидві частини на 10
х=2/5
В.2/5

8)х:3/10=2
х•10/3=2
10/3х=2 множимо обидві частини на 3/10
х=3/5
В.3/5

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