(x÷2)+(x÷3)+(x÷4)＝26

[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 化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 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-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^2-x/x+1÷x/x+1 ；x^2+6x+9/x^2-9÷x+2/x-3；2/a÷4/a 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 [(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 计算①x²-4／x²-4x+3÷x²+3x+2／x²-x②2x+6／4-4x+x²÷(x+3)·x²+x-6／3-x (x^2-x-6)÷(x-3) 2x-6/(4-4x+4x^2)÷(x+3)×[(x+3)(x-2)]/(3-x) 化简：[(x+2)/(x^2-4)-(2x-5)/(x-4x+4)]÷[(x-3)/(x-2)] x^2-4x+4分之2x-6÷(x-+3)×3-x分之x^2+x-6计算