Предмет: Математика, автор: miraj091263

в классе 28 учеников.сколько девочек в классе если 4 ученика из каждых 7 являются мальчиками

Ответы

Автор ответа: romanovaa19

2

В классе 12 девочек

Автор ответа: Armenia2780

2

каждый 7 являются 4 мальчик.

1)28:7=4(раз)

2)7-4=3(девочка)

3)3*4=12(дев.)
ответ в классе 12 девочек

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