Предмет: Математика, автор: Аноним

.В книге 72 страницы. В первый день ученик прочитал 1/8 книги.во второй день 2/7 Сколько страниц ему осталось прочитать страниц? срочно дам 30 баллов ​

Ответы

Автор ответа: iramazurk
0

Пошаговое объяснение:

Во второй день ученик прочитал 2/9

1) 1/8 * 72 = 72/8 = 9 (страниц) - прочитал в 1 день

2) 2/9 * 72 = 2/1 * 8 = 16/1 = 16 (страниц) - прочитал во 2 день

3) 9 + 16 = 25 (страниц) - прочитал за два дня

4) 72 - 25 = 47 (страниц) - осталось прочитать

Автор ответа: dyexfnf
0

Ответ:

Пошаговое объяснение:

1/8 * 72 =  9 страниц  ученик прочитал в 1 день

2/9 * 72 = 16 страниц ученик прочитал во 2 день

9 + 16 = 25 страниц прочитал за два дня

72 - 25 = 47 страниц осталось прочитать ученику

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