Предмет: Математика, автор: Аня5104

за семь десятых метров ткани заплатили одну целую две пятых рублей Сколько стоит две целых одна четвертая метров такой ткани

Ответы

Автор ответа: konstantinstar1

0

7/10=0,7 м
1 2/5= 1,4 руб
2 1/4=2,25 м
1,4/0,7=2 р-стоит 1 м ткани
2*2,25=4,5 р-стоят 2 1/4 м (2,25м)

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