Предмет: Математика, автор: Cendis

маша наклеила на конверты 37 марок. На 2 конверта по 6 марок. А на остальные по пять. Сколько всего конвертов ей понадобилось?

Ответы

Автор ответа: SorokaTata
0

1) 2*6=12(марок) - на 2 конверта.

2) 37-12=25(марок) - на остальные конверты.

3) 25:5=5(конвертов) - по 5 марок.

4) 5+2=7(конвертов) - ей понадобилось.

Ответ: всего 7 конвертов ей понадобилось.

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