Предмет: Математика, автор: bondarevandrei20

Решите пожалуйста. Скрин внизу

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Автор ответа: lsa240910

0

Пошаговое объяснение:

1) 25-(-55)=25+55=80

минус на минус будет плюс

2) 17-77=-(77-17)=-60

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