【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+ (3/2)的-2次幂】÷(-3X)
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【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+(3/2)的-2次幂】÷(-3X)【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+(3/2)的-2次幂】÷(-3X)【(x+
【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+ (3/2)的-2次幂】÷(-3X)
【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+ (3/2)的-2次幂】÷(-3X)
【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+ (3/2)的-2次幂】÷(-3X)
【(x+2Y-3/2)(X-2Y+3/2)+2Y(2Y-3)+ (2/3)的-2次幂】÷(-3X)
=[x²-(2y-3/2)²+4y²-6y+9/4]÷(-3x)
=(x²-4y²+6y-9/4+4y²-6y+9/4)÷(-3x)
=x²÷(-3x)
=-x/3
x(x-y)2-(y-x)3
[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x
化简:{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x
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2X(2X-3Y)-3Y(X+Y)
(-2x y)^2-(3y-x)(-x-3y)
(x+2y)^2-(x+y)(3x-y)
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化简3(x-y)-7(x--y)+2(y-x)
因式分解:3x(x-y)+2y(y-x)
(x-y)^3×(x-y)^2×(y-x)
分解因式:3x(y-x)-2y(x-y)