Предмет: Математика, автор: irakutniv

ДАМ 25 БАЛІВ.Задача 4 клас​

Приложения:
galinaslovak6: 7*3=21
galinaslovak6: 5*3=15
galinaslovak6: 21+15=36
asilvejstruk: Ну и что, ответ такой же

Ответы

Автор ответа: ildarkick
0

Ответ:

За один год - 12, за 3 года 36

5+7=12, 12 * 3 = 36

Автор ответа: asilvejstruk
0

Ответ:

36

Пошаговое объяснение:

7 + 5 = 12 за час, а за три надо домножить

12 * 3 = 36

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