Предмет: Математика, автор: wersin2

67y+13+3.1y=86.5 решите плиз

nargiz20029: 70.1y+13=86.5. 70.1y=86.5-13. y=1.049

nargiz20029: так будет

Ответы

Автор ответа: lisakashina

3

67у+3,1у=86,5-13
70,1у=73,5
у=73,5:70,1
у=1,04.

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