解方程：2x-4/3-3x+1/6=x-3/2 x+4/5-x+6=x-2/2 3/10(200+x)-1/10(300-x)=300×9/25

解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x) 解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程：x(6-x)-2x(x+1)-(x^3-3x^4)/x²=4 解分式方程：x-3/x-1-x-4/x-2=x-5/x-3-x-6 解方程：(4/x-2)+(x-1/x-5x+6)+(2/3-x)=0 解方程 x(2x-4)+3x(x-1)=5x(x-3)+8 x/(x-2)+(x+1)/(x-6)=2x/(x-3) 解分式方程 解方程x（x-1)(x-2)(x-3)(x-4)=24x=? 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 解方程(x+1/x-1)+(x-2/x+2)+(x-3/x+3)+(x+4/x-4)=4 解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7) 解方程：(x+3)/(x+2)-(x+4)/(x+3)=(x+5)/(x+4)-(x+2)/(x+1) 解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7) 解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6 解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6) 解分式方程: (x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6)