Предмет: Математика, автор: klepovkirill3

15|7+x=15|12✰✰✰✰✰✰✰✰✰✰✰☆☆☆☆☆☆☆

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Ответы

Автор ответа: TutorOnline

4

Ответ: х=1/3

Пошаговое объяснение:

7/15+х=12/15

х=12/15-7/15

х=5/15=1/3

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