(x+17)÷[(3x+45)÷10]=2

(x+17)÷[(3x+45)÷10]=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+（3X-16)÷25%=10(x+1) 3x=45÷x 21分之10x÷3分之2=7分之3x-3分之1x-2分之1x=190x-53x=7408.5x-6.9x=43.3x-200=0.2x+1101.02+0.4x+2.6x=3.428.9x-67=4.5x+656x-58=3x+1410x-20=5x+806x+5=10x-3420-1.4x=9.8x-288.2x+5.4x=272 X×X－3X＋1=0求分式X×X÷〈X×X×X×X+3X×X+1〉 已知f(x)=10x^2+8x^5-12x^3求：f(x)÷(-5x^2)和f(x)×（x^2-1)的值 X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x) (4/x-5)+(x-3)/(12-x)=(x-45)/(x^2-17x+60) 当x=9/2时,求(x^2+7x+10)/(x^2+6x+5)×(x^3+1)/(x^2+4x+4)÷(x^2-x+1)/(x+2) 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÷5＝244 x-13＝96-x+13 12x＝10(x+20) 3.6x÷2=7.2×2x-x÷5＝244x-13＝96-x+1312x＝10(x+20)3.6x÷2=7.2×2x÷3-x÷4＝5这些题方程怎么解, 9x-7-6x+5=10 45-6x+9x=15 3x+5+2x+4=14 39-5x=9 3x÷5=4.89x-7-6x+5=10 45-6x+9x=15 3x+5+2x+4=14 39-5x=9 3x÷5=4.8 (x+x)+(x-x)+(x*x)+(x÷x)=81 化简求值：(3x/x+2-x/x-2)÷2x/x^2-4,x=-3 x=根号3时,代数式（x/x-1-x/x+1)÷2x/1-x的值是?