Предмет: Математика, автор: Панда6446433254

используя свойства сложения и вычитания, вычислите самым удобным способом значение выражения: (7,891+3,9)+(6,1+2,109)

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Автор ответа: sans30

0

7,891+2,109+3,9+6,1=20

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