2x+x÷2÷4+1=100

x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-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 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2 先化简再求值(x/x-2-x/x+2)÷4x/x-2,其中x=1 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+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3 请解方程 X+X+X÷2+X÷4+1=100 十万火急!如上, 【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 先化简再求值：（x+2/x²-2x - x-1/x²-4x+4）÷ x-4/x,其中x=3/2 2道分式计算[（x+4）(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2x/(2x-1)+x/(x-2)=2 先化解,在求值;(3x/x-1-x/x+1)÷x四次方-4x²/x³-x,其中x=根号2+2 x/x^2-2x÷(x^2-4)^-1 (x²-x+1)÷(x²-x-1)=(x²+x)÷(x²+x-2)解方程 (x+2/x^2-2x-x-1/x^2-4x+4)÷4-x/x X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x) 计算:2x/(x-2)(x+1)÷(1－x/x+1)-x²+2x/x²-4? [（x+2）/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x 化简（x^2-4x+4/2x)÷(x^2-2x/x^2)+1