[(X+100)÷3+120]÷3*2=X+100 求X等于?

化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x) [(X+100)÷3+120]÷3*2=X+100 求X等于? x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3 2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2 2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2 X+X+13+[100-(x+13)÷2-X]×3=200 化简求值：(3x/x+2-x/x-2)÷2x/x^2-4,x=-3 先化简再求值[3x/(x+2)-x/(x-2)]÷2x/(x^2-4)x=2010 x=根号3时,代数式（x/x-1-x/x+1)÷2x/1-x的值是? 先化简,再计算2x^-18/4-4x+x^ ÷ 3-x/x^+x-6,其中x=4 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x (x^2-x-6)÷(x-3) [x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简 x÷2+x÷5=3,x=? 【化简求值】(x分之x+2 - x-2分之x-1)÷x分之x-4【化简求值】(x分之x+2 - x-2分之x-1)÷x分之x-4x=3 8x^2-4x/x^2-x-6÷(x-3/x+2-x+2/x-3),其中x=5 先化简再求值:x^3-2x^2+4x/x^2-4x+4÷x^2-2x+4/x-2,其中x=4