Предмет: Математика, автор: dkamtsn

Мальчик читал книгу. 3 дня он читал по 30 стр. в день, а потом прочитал ещё 40 стр. Сколько стр. осталось прочитать мальчику, если всего в книге 200 страниц? Прошу написать условие

Ответы

Автор ответа: Olivam
0
30стр-3 дня
40стр-1 день
Всего-200 стр

1) 3*30=90 (стр)-за 3 дня
2) 90+40=130 (стр)-он прочитал
3) 200-130=70 (стр)-осталось прочитать
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