x÷2 ＋x÷6=2x÷3

(x^2-x-6)÷(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 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 x²＋2x/x²-6x+9÷x²-4/x²-3x , 先化简,再计算2x^-18/4-4x+x^ ÷ 3-x/x^+x-6,其中x=4 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：9-x²/x²+6x+9÷x²-3x/2x+6-2/x²-x,其中x=6 (2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3) X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x) 8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2 x^2-x/x+1÷x/x+1 ；x^2+6x+9/x^2-9÷x+2/x-3；2/a÷4/a [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 两道初二数学计算题（1）x+6/x^2+2x+1-x+4/x^2+x=0（2）x+3/x÷x^2+3x/x-3·1/3-x 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3 先化简,再求值 2x-6/4-4x+x^2÷x-3/x-2,其中x=-1