Предмет: Математика, автор: losenkopolina33

На трьох полицях 720 книг. На першій і другій полицях було 432 книги, а на другій і третій - 356. - Скільки книг було на другій полиці? ​

Ответы

Автор ответа: instikma
1

720-432= 288 (кн.) На 3-ій полиці

356-288=. 68 (кн.) На 1-ій полиці

720-(288+.68)=.500(кн.) На 2-ій



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