x÷2+x÷3+x÷4=65 x÷2+x÷3+x÷4=65

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+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 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x+2)÷2x/(x²-4)化简 (x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-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(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3 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 先化简,再计算2x^-18/4-4x+x^ ÷ 3-x/x^+x-6,其中x=4 X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x) (2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3) 求解 化简(3x/x-2-x/x+2)÷2x/x平方-4 [(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2) 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/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 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