5X+34=3X+54, X=( )
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5X+34=3X+54,X=()5X+34=3X+54,X=()5X+34=3X+54,X=()5X+34=3X+545x-3x=54-342x=20x=10105X+34=3X+542x=20x=1
5X+34=3X+54, X=( )
5X+34=3X+54, X=( )
5X+34=3X+54, X=( )
5X+34=3X+54
5x-3x=54-34
2x=20
x=10
10
5X+34=3X+54
2x=20
x=10
5X+34=3X+54,
5x-3x=54-34
2x=20
x=10
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
5X+34=3X+54, X=( )
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
x(x-2)-2x(x+1)-3x(x-5) 其中x=负½
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
已知3x*x-x=1,求6x*x*x+7x*x-5x+2000
3x+5x=?x等于
3x+5x-6x=?
3x+5x=8x.
x^5-2x^3+x=?
8x(x-5)=3x
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
（X+X)+(X-X)+(X*X)+(X/X)=100