Предмет: Математика, автор: нюра25

У ученика было 20 р. Он купил 2 блокнота по 4 р. и 3 ручки по3 р. Сколько денег осталось у ученика?

Ответы

Автор ответа: lovik06

Было-20 руб.
Купил- 2 б., по 4 руб. и 3 р., по 3 руб.
1) 2*4=8(б.)-блокнотов
2) 3*3=9(р.)- ручек
3) 8+9=17(руб.) - блокнотов и ручек.
4) 20-17=3(руб)-осталось у ученика.
Ответ: 3 рубля осталось у ученика.

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