Предмет: Математика, автор: bonyak

на 3 полках было 45 книг на всех поровну .на нижнию полку поставили ещё 8 книги сколько книг стало на этой полке

Ответы

Автор ответа: nataliian

45 : 3 = 15 книг на каждой полке
15 + 8 = 23 книги стало на полке

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