Предмет: Математика, автор: alenkiy75

помогите еще вот в чем: как найти целое число, если известно , что 3/7 его равны 21

Ответы

Автор ответа: miron2077

21*7/3=49 по части целое

Автор ответа: VictorMin

21 : 3/7 = 49
...........................................

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