Предмет: Математика, автор: katya12310

выполните вычитание и проверьте ответ сложением

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Автор ответа: akiraNight

0

56 - 23 =56 - 46 = 16
16 + 23=16 + 46 =56-проверка
1718 - 56 = 1718 - 1518 = 218 =19
19 + 56 =218 + 1518 = 1718-проверка

Автор ответа: katya12310

0

спасибо

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