Предмет: Математика, автор: zevakova

Как найти 0,3 от 21? 0,6 от 15? 0,25 от 400?

Ответы

Автор ответа: MilayaKsu

0,3 от 21: 21*3/10=6,3

0,6 от 15: 15*6/10=9

0,25 от 400: 400*25/100=100

Автор ответа: Тянь

надо одно умножить на другое)

21*0,3=6,3

15*0,6=9

400*0,25=100

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