Автор - leshasilaev99

Срочно! (4-y)^2-y(y-1) при y=-1/9

Ответ

Автор - BJIADA
(4-y)²-y(y-1)=16-8y+y²-y²+y=16-7y
при y=-1/9
16-7*(-1/9)=16+7/9=16 7/9
Ответ: 16 7/9

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