Images 2X 11 2Y

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2x 11 2y. X2+x-30<0. X2-11x+30 0. X2-11x+30=0 решение. Уравнение x*2-11x+30=0.
X2+x-30<0. X2-11x+30 0. X2-11x+30=0 решение. Уравнение x*2-11x+30=0.

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