4x^-9y^-(2x+3y)
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81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2
3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
(y-x)^4(x-y)^3+2(x-y)^6(y-x)
(x-y)^3×(y-x)^4+(x-y)^2×(y-x)^5
12(x+y)^3(y-x)/【4(x+y)^2(x-y)】
(x+y)/2- x-y/2=6 3(x+y)=4(x-y)
2分之x+y+3分之x-y;4(x+y)-(x-y)谢谢了,
4x^-9y^-(2x+3y)
3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9
(9x^2+4y^2)(3x+2y)(3x-2y)
(3x-2y)×(3x+2y)×(9x+4y)
[(x+y)(x-y)-(x-y)的平方+2y(x-y)]除以(4y)请帮我一下写两道计算题[(x+y)(x-y)-(x-y)的平方+2y(x-y)]除以(4y)[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除以(4x)
因式分解(3x+2y)(3x-4y)+9y²因式分解(3x+2y)(3x-4y)+9y²
实数x,y满足x+2y(这个y就是y)=4,则3x+9y(这个x,y是指数)的最小值为
2(x-y)²-3(x-y)(-y-x)
(2x+3y)(2x-y)-4y(2x-y) 因式分解
1.((y+2x)(-2x+y)+4(x+2y)^2)/3y 2.(2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2)/2(x-y)^2