计算:(x^2y+xy^2)/(x+y);(4a^2-12ab+9b^2)/(3b-2a);(4x^2-6x^2y)/(
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计算:(x^2y+xy^2)/(x+y);(4a^2-12ab+9b^2)/(3b-2a);(4x^2-6x^2y)/(2-3y);[(x+3y)^2-4x^2]/(x+y).
要有计算过程
要有计算过程
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xy;-2a+3b;2x^2y;-3x+9
x²(x+y)(y-x)-xy(x+y)(x-y) 已知a+b=4,ab=-2,求多项式3a²b+3
3a-3b/10ab*25a^b3/a^-b^= x^-4y^/x^+2xy+y^/x+2y/2x^+2xy
分解因式1.2a(x-y)-3b(y-x)2.-x^y-2xy+35y3.a^(x-y)-4b^(x-y)若|a+2|+
几道因式分解..4ab(a+b)^2-6a^2b(a+b)(x+y)^2(x-y)+(x+y)(x-y)^22a(a-3
A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²+3x-y,若x=
设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²-3x-y,若x
设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²+3x-y.若x
计算:(2a-5b)(2a^2-3ab+b^2) (3x+2y)(2x+3y)-(x-3y)(3x+4y)
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
约分 2x三次+x分之1-4x四次方 y-x平方y分之x平方y-2xy+y a平方-6ab+9b平方分之a平方-3ab
计算:(-2a^2b)(2/3ab^3)(-6b^2c^3) (x+y)(x-y)-(x-2y)(x+2y) (3x-2
若A=2x²-4xy-2y²-2x+2y,B=4x²-6xy+2y²-3x-y.