Предмет: Математика, автор: matvei5652

всего в конкурсе чтецов из них принимают участие 49 человек ,из них 21 человек-девочки какую часть участников состовляют мальчики

Ответы

Автор ответа: MizoriesKun
65

Ответ:  4/7 участников составляют мальчики


Пошаговое объяснение:

49-21=28  мальчиков  в конкурсе

28/49= 4/7


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