1、(x^2-2y)^2-x^2+2y(因式分解)2、(x+2y)^2-4(x-y)^2(因式分解) 3、25(x+3y)^2-36(x-2y)^2
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1、(x^2-2y)^2-x^2+2y(因式分解)2、(x+2y)^2-4(x-y)^2(因式分解)3、25(x+3y)^2-36(x-2y)^21、(x^2-2y)^2-x^2+2y(因式分解)2、
1、(x^2-2y)^2-x^2+2y(因式分解)2、(x+2y)^2-4(x-y)^2(因式分解) 3、25(x+3y)^2-36(x-2y)^2
1、(x^2-2y)^2-x^2+2y(因式分解)2、(x+2y)^2-4(x-y)^2(因式分解) 3、25(x+3y)^2-36(x-2y)^2
1、(x^2-2y)^2-x^2+2y(因式分解)2、(x+2y)^2-4(x-y)^2(因式分解) 3、25(x+3y)^2-36(x-2y)^2
1.原式=(x^2-2y)(x^2-2y)-(x^2-2y)=(x^2-2y)(x^2-2y-1)
2.原式=(x+2y)^2-(2x-2y)^2=(x+2y+2x-2y)(x+2y-2x+2y)=3x*(4y-x)
3.原式=(5x+15y)^2-(6x-12y)^2=(5x+15y+6x-12y)(5x+15y-6x+12y)=(11x+3y)(27y-x)
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
[(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y
化简y(x+y)+(x+y)(x-y)-x^2
(x-y)(x-y)2(y-x) (x+2y-?)(x-2y+?)
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
因式分解x(x+y)(x-y)-x(x+y)^2
(x-2y)(x+y)+(x+y)计算
计算:(x-y)^2-(x+y)(x-y)
2(x-y)²-3(x-y)(-y-x)
计算:1/(2x) - 1/(x+y)((x+y)/(2x) - x - y)
化简1/2x-1/x+y(x+y/2x-x-y)
计算2x/1-x+y/1·(2x/x+y-x-y)
1、y-x/x²-y²2、(x-y)(y-z)(z-x)/(z-y)(y-x)(x-z)
1/2x-(x+y/2x -x-y)÷(x+y)
[(x-y)^2-(x+2y)(x-2y)]/y
(x-y/x+2y)³
(x-y)(2x-y-1)