Images 9X4 12X2Y 4Y2

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9x4 12x2y 4y2. 4х2+7=7х=28. 8х-12y-12=0 -2x+3y+12=0. 0,3(1,2 Х-0,5y. 3,5х-2,3х+3,8=4,28 решение.
4х2+7=7х=28. 8х-12y-12=0 -2x+3y+12=0. 0,3(1,2 Х-0,5y. 3,5х-2,3х+3,8=4,28 решение.

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