Предмет: Математика, автор: Somberra

-(10-b)+23,5=40,4 помагитеееее пппжжж

Ответы

Автор ответа: Sofaaa077

-(10-b)+23,5=40,4

-10+b+23,5=40,4

b=40,4+10-23,5

b=26,9

Ответ: b=26,9

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