1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样，所以不用写第三题了，

因式分解：a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y) (2x-7)(x-1)+(2x-3)(2x+3) 2(x-8)(x-5)-(2x-1)(x+2) 3x(3y-x)-(4x-3y)(x+3y)(2-b)(3+b)-(2-b)(2+b)1.(2x-7)(x-1)+(2x-3)(2x+3) 2.2(x-8)(x-5)-(2x-1)(x+2) 3.3x(3y-x)-(4x-3y)(x+3y) 1.9x^2-16(x+b)^22.(x+y)^3(x-y)-(x+y)(x-y)^33.25(x-2y)^3+4(2y-x)4.81a^5b^5-ab 1.（x^2-3)^2+2(x^2-3)(x-3)+(x-3)^22.(x+1)(x+3)(x+5)(x+7)+153.x^2+y^2+4x+2y+34.(a^2+a+1)^2+2(a^2+a+1)(a^2+a-1)+(a^2+a-1)^25.(x^2+4)^2-16x^26.(a+b+c)^2-(a-b-c)^27.25(x-y)^2-16(x+y)^28.x^4-81x^2y^29.x^2(x-y)+y^2(y-x)10.(a-b)(x-y)+(b-a)(x+y)(乘法)11.2 1.(a-2+b)(a+2+b)2.(x^5y^3-2x^y^2+3/4x^2y^2)/1/12x^2y^2 (2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 1.（－2a）³·b²÷(8a³b²) 2.－5x（2x²－3x＋4）+4x³+15x3.（x²-2y²）(x+2y)-2xy(x-y)4.（x-y+z）(x-y-z)化简求值 ［（x+y）(x-y)-(x+y)²-2y(x-2y)］÷(-2y),其中x=5,y=2003 先化简 在求值1.（2x+3y)^2-(2x+y)(2x-y),其中x=三分之一,y=二分之一2.[（x-y)^2+(x-y)(x+y)]/x,其中x=-1,y=二分之一3.4x(y-x)+(2x+y)(2x-y),其中x=二分之一,y=-24.2(x+5)(x-4)-3(x-6)(x+1),其中x=25.(2a-b)(b+2a)+2b(a+b)-3a^2b/b,其 因式分解练习题1.3x^6-3x^22.(a^2-2b)^2-(1-2b)^23.9x^4-36y^24.4(x+y)^2-(x-y)^25.x^2-36.x^2-5y^2 5道初一较难计算题1.(a-2b+c)(a+2b-c)-(a+b+c)∧22.(x-y)(x+y)(x∧2+y∧2)(x∧4+y∧4)3.求（2x∧5-4x∧4-3x∧3+7x∧2-x-6)(3x∧7-2x∧5-5x∧4+2x∧3+x∧2-2x+1)中x∧9的系数4.若a∧2+b∧2+c∧2=ab+bc+ca,求证a=b=c5.(x+y)∧4(x-y) 1.-25x^2+5x+22.(x^2-x)^2+10(x^2-x)-243.(y^2-3)^2+4y(y^2-3)+4y^2 几道 数学题急啊 对了再加20分(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3 (x-y)^2-(y-x)^32(x-y)-3(y-x)^24ab(a+b)^2-6a^2b(a+b)(x+y)(x-y)-(x+y)^28a(x-y)^2-4b(y-x)a=-5 a+b+c=-5.2求代数式a^2(-b-c)-3.2a(c+b)的值 多项式因式分解,(1)y(x-y)+x(x-y) (2)y(x-y)+x(y-x)(3)a(x-y)^2-b(y-x)^2 (4)a(x-y)^3-b(y-x)^3(5)a^2b(a-b)-ab^2(a-b) 1.a^2b^2-4ab+42.16-8xy+x^2y^23.（x+y）^2+6（x+y）+94.a^2-2a（b+c）+（b+c）^25.3-6x+3x^26.x^5-x^3y^27.16x^5+8x^3y^2+xy^48.16x^4-y^4 几道初一的整式运算题目,会做的来~1.(a-b)^m(a-b)[2(b-a)]^3[(b-a)^5]^2/(a-b)^m2.(2006^2+2004^2+```+2^2)-(2005^2+2003^2+```+1)3.先化简,后求值.(1)x(x+4)(x-4)-(x+3)(x^2-6x+9)+5x^3y^2/(x^2y^2),其中x=-3.(2)y(x+y)+(x+y)(x-y)-x^2,其中x 1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样，所以不用写第三题了， 1.x(x-y)-(x-3)(x+3) 2.（a^2+b^2)(a+b)(a-b) 3.(a-2b+3c)(a+2b-3c) 4.(x+y-z)(x-y+z) 5.(x^8+y^8)(x^4+y^4)(x^2+y^2)(x+y)(x-y) 2x/x+y+2y/x+y a/a+b+b/a-b 1/3x²+2/4y-5/6xy解出来快