计算:(2a-5b)(2a^2-3ab+b^2) (3x+2y)(2x+3y)-(x-3y)(3x+4y)
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)
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(
计算:(-2a^2b)(2/3ab^3)(-6b^2c^3) (x+y)(x-y)-(x-2y)(x+2y) (3x-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
计算 1.[(a+b)^2-(a+b)(a-b)]÷(-b) 2.[(x+y)(2x+y)+(x+y)(x-y)]÷3x
x²(x+y)(y-x)-xy(x+y)(x-y) 已知a+b=4,ab=-2,求多项式3a²b+3
计算下列分解因式:(2a+b)(2a-3b)-3a(2a+b) x(x+y)(x-y)-x(x+y)2次方
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|+
分解公因式p(x-y)-q(y-x)(a+b)(a-b)-(b+a)10a(x-y)^2-5b(y-x)3p(m-2n)
分解公因式的题 x(a-x)(a-y)-y(x-a)(y-a)-ab(a-b)^2+a(b-a)^2a^3b-ab2ab
3a-3b/10ab*25a^b3/a^-b^= x^-4y^/x^+2xy+y^/x+2y/2x^+2xy