作业帮计算:x(x+2y)-(x+y)^2 a^2(a+b)(a-b)+a^2b^2x(x+2y)-(x+y)^2a^2(a+b)(a-b)+a^2b^2 (1/10)^-2+(2π-3)^0+(-1)^2009 (a-2b-3c)(a-2b+3c)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 09:56:05
计算:x(x+2y)-(x+y)^2 a^2(a+b)(a-b)+a^2b^2x(x+2y)-(x+y)^2a^2(a+b)(a-b)+a^2b^2 (1/10)^-2+(2π-3)^0+(-1)^2009 (a-2b-3c)(a-2b+3c)
计算:x(x+2y)-(x+y)^2 a^2(a+b)(a-b)+a^2b^2
x(x+2y)-(x+y)^2
a^2(a+b)(a-b)+a^2b^2
(1/10)^-2+(2π-3)^0+(-1)^2009
(a-2b-3c)(a-2b+3c)
计算:x(x+2y)-(x+y)^2 a^2(a+b)(a-b)+a^2b^2x(x+2y)-(x+y)^2a^2(a+b)(a-b)+a^2b^2 (1/10)^-2+(2π-3)^0+(-1)^2009 (a-2b-3c)(a-2b+3c)
x(x+2y)-(x+y)^2 =x^2+2xy-x^2-2xy-y^2 =-y^2 a^2(a+b)(a-b)+a^2b^2 =a^2[a^2-b^2+b^2] =a^4 (1/10)^-2+(2π-3)^0+(-1)^2009 =100+1-1 =100 (a-2b-3c)(a-2b+3c) =[(a-2b)+3c][(a-2b)-3c] =(a-2b)^2-(3c)^2 =a^2-4ab+4b^2-9c^2
计算2x/x-y
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
计算:(x+2y)(2x-y)
计算:(x+3y)(2x-y)
计算:(2x-3y)(x+y)
计算:(-x-2y) * (3x-y)
计算：(x+y)-3(x-2y).
计算:(x-y)^2*(y-x)^2*(x-y)^6
计算(x-y)(y^2-x^2)(-x-y)
计算(x+y)(x+y)^2(-x-y)^3
3x(x-y)+2y(x-y) 计算
计算：（x-y）^2-(x+y)(x-y)
（x-2y）(x+y)+（x+y）计算
计算[2x^2-(x+y)(x-y)][(-x-y)(y-x)+2y^2]
计算：x+2y/x-y+2x/y-x-3y/x-y
计算：[(x+y)(x-y)-(x-y)^2+2y(x-y)]/(-2y)
计算 [2x²-(x-y)(x+y)][(2-x)(2+x)+(y-2)(y+2)]