Предмет: Математика, автор: azanik2021

3/20 Ученик прочитал всей книги, в которой 300 страниц. Сколько страниц осталось прочитать ученику?

Приложения:

Ответы

Автор ответа: oleksandrtkach2000

1

Ответ:

Пошаговое объяснение:

1) 300 : 20 * 3 = 15 * 3 = 45 ( ст ) - прочитал

2) 300 - 45 = 255 ( ст ) - осталось прочитать

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