-6x^2y*(-a-b)^3*1/3xy^2*(b+a)^2计算

因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(因式分解(1)6(x-y)^3-3y(y-x)^2(2)x(x-y)(a-b)-y(y-x)(b-a)(3)(a+b)(a+b-1)-a-b+1 2x/x+y+2y/x+y a/a+b+b/a-b 1/3x²+2/4y-5/6xy解出来快 集合A={(x,y)|x-2y=1}B={(x,y)|x+3y=6},则A∩B= A∪B=? 1、(-y^3)^5/y^3/ y^2+2(-y)^102、(x-y)^7/(y-x)^6+(x+y)^3/(x+y)^23、已知X^a=5,x^b=3,求X^(3a-2b)的值 十字相乘法分解因式(只要答案) x*x-2x-1 x*x-2ax-3a*a a*a*a-b*b*b x*x+x-(y*y+y)x*x-2x-1 x*x-2ax-3a*a a*a*a-b*b*b x*x+x-(y*y+y) 3x/6x^2z a+b/a^2-b^2 x^2+2x+1/x^2+x 3x-6/x^2-4x+43x/6x^2z a+b/a^2-b^2x^2+2x+1/x^2+x3x-6/x^2-4x+4y-x/x^2-y^22x^2-10x/x^2-10x+25约分：3x/6x^2z a+b/a^2-b^2x^2+2x+1/x^2+x3x-6/x^2-4x+4y-x/x^2-y^22x^2-10x/x^2-10x+25 （2a+b)（2a-3b）+3a（2a+b)和x（x+y)(x-y)-x(x+y)²4a（x+y)-6x-6y和啊a（a-b）-ab+b² 设A={(x,y)}|3x+2y|.设A={(x,y)}|3x+2y|.B={(x,y)|x-y=2|},C={(x,y)|2x-2y|=3},D={(x,y)|6x+4y=2|},求A∩B,B∩C,A∩D设A={(x,y)|3x+2y=1}.B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B，B∩C，A∩D 1（x-3x-1）（x+3y-1)2（3x-2y+1/4）²3（a+b)²-（a-b）²4 [2x²-（x+y)(x-y)][（-x-y)×（y-x)+2y²],其中x=1 y=25[（0.5x-y)²+（0.5x+y)²]（0.5x²-2y²）6（a+3b)²-2（a+3b)(a-3b)+(a-3b)²7 3p(x+1)^3 y^2+6p(x+1)y+3p(x+1)因式分解(x+y)^4(x-y)-(x+y)(y-x)^4因式分解(a-b)^n+2-(a-b)^2 已知6x^2-7xy-3y^2+14x+y+a=(2x-3y+b)(3x+y+1),则a=?,b=? 再问道因式分解题x^3(a+1)-xy(x-y(a-b)+y^3(b+1)还有x^2-y^2+2x+6y-8 已知:6x²-7xy-3y²+14x+y+a=(2x-3y+b)(3x+y+1)求a,b的值 已知:6x²-7xy-3y²+14x+y+a=(2x-3y+b)(3x+y+1)求a,b的值 x+y-(2x-y)(x+y)=?12(a^2-b^2)^2-3(a^2+b^2)(a+b)^2等于多少(2a-b)(2a+3b)+3a(b-2a)=-(2a-b)( ),a(x-3)(5-x)+b(3-x)(x-5)=( )(x-3)(a+b)代数式15x^3y^3(x-y),6x^2y^2(y-x),-120x^3y^3（x-y）（x+y）的公因式是?a-b+k(b-a)=( )(k-1)a(b-c)+c-b=(b-c) 计算题：① ＜(x-1／x+1)-(x+1／x-1)＞÷x+3/x*x+4x+4)② (a*a-2ab+b*b)/(a*a+ab)*(a+b)/(ab-b*b)③ (2x/x*x-1)-1/(x-1)④ -a-6约分：① 1/2*x*x*y ,1/3*x*y*y② 1/(2x+2) ,3/(x*x-1)化简：① (3+x)/(2+x)+(x*x-4) 初一因式分解练习题,谁好心帮我解下表示平方1.2X~-3XY-X2.(X+Y)~(X+Y)(X-Y)(X+Y)(Y+Z)3.3X(a+2b)~-6XY(a+2b)4.a(x-y)-b(X-Y)-C(Y-X)5.(b-a)~-2a+2b6.(x-y)~-m(y-x)+y-x7.x(x-y)(a-b)-y(y-x)(b-a)8.已知a+b=13,ab=40,求 b+ab~的值 把（a+b)和(x+y)各看成一项,合并同类项：（1）4（a+b)+2(a+b)-(a+b); (2)3(x-y)^2-7(x+y)+8(x-y)^2+6(x+y