Задача Задача №3418843
А
А
24-21
3
Quick check: 21 + 3 = 24.
Method: 24 − 21 = (24 − 20) − 1 = 4 − 1 = 3.
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Мобильные приложения
3
Quick check: 21 + 3 = 24.
Method: 24 − 21 = (24 − 20) − 1 = 4 − 1 = 3.
Want a few more practice problems?
Мобильные приложения