化简-4x+3(1/3x-2y)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 10:09:37
x){3]
m{:+t*I*-_`gC@/&X,52DWx`~qAb. t>
化简-4x+3(1/3x-2y)
化简-4x+3(1/3x-2y)
化简-4x+3(1/3x-2y)
-4x+3(1/3x-2y)
=-4x+3*(1/3x)-3*2y
=-4x+x-6y
=-3x-6y
1/(x-y)+1/(x+y)+2x/(x^2+y^2)+4x^3/(x^4+y^4)化简
化简[(3x+4y)^2-(2x+y)(2x-y)+(-x+y)(5x-y)]除以-2y,其中x=-1,y=1
化简 3x(x^2-x-1)-(x+1)(3x^-x) X^3(x-y)+x(y-x)
x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
化简,求值2(x-2y)+(2y-x)-4(x-2y)-3(2y-x)其中x=-1,y=二分之一
(x/x+y +2y/x+y)乘以xy/ x+2y除以(1/x+1/y)(2)(3x^2/4y)^2乘以2y/3x+ x^2/2y^2除以2y^2/x
化简:3x²-[5x-(1/2x-3)+2x²](1)3x²-[5x-(1/2x-3)+2x²](2)2(x+y)-1/4(x+y)+2/3(x-y)
计算 x-2分之x方+1-2-x分之3-4x (x+y)x方-y方分之x方+y-x分之y方
化简:{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2}
-(5x+y)-7(x-y) -2分之1(x+y)+4分之1(x+2y) 4x-2(x-2) -2x-(3x-1) x-(5x-2y)+2(2x-y)
若x+y=4,则多项式1/2(x+y)+4(x-y)-3(x-y)-3/2(x+y)-x+y值是()
化简 x-[y-2x-(x-y) -9-4[2x-5(x+1)] 2x-3{y-[3x-(2y-x)]-2x}过程一步一步的列好x-[y-2x-(x-y) -9-4[2x-5(x+1)] 2x-3{y-[3x-(2y-x)]-2x}
化简:2x-{-3y+[4x-(3x-y]}
通分计算:(1)2x-3/(x-1)(x-4) - x-2/(1-x)(4-x) (2)x平方-y平方/xy - xy-y平方/x(y-x)还有:先化简再求值: (1)2x/x平方y平方 + x/y平方-x平方 + y/(x-y)(x+y) 其中x=4 y=-3 (2)已知(
(3x²-2x²-2y)÷(x+y) 化简【3x²-2x(x+y)+y(2x-y)】÷(x+y)其中x=1/2 y=1/3
化简(x-y)-4(2x-3y)