Images 4X4 12X2Y 9Y2

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4x4 12x2y 9y2. 2x2-2x+1/2. 3x-2(x-1)=x+2. (4х-5)(х+3)=(2х-3)². Вариант 3 Алгебра x²-4:2x+1<0.
2x2-2x+1/2. 3x-2(x-1)=x+2. (4х-5)(х+3)=(2х-3)². Вариант 3 Алгебра x²-4:2x+1<0.

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