解方程: (1) (x-3)/(x-2)+1=3/(2-x) (2) (2x+1)/(x2+x)=5/(6x+6 (3)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x
(x-2)(x2-6x-9)-x(x-5)(x-3)其中x= -1/3
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
解方程 x(x-6)+2x(x-3)=3(x2-x-1) 解不等式:2x2(x-3)+4(x2-x)≥x(2x2-2x+
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程 x2+x-1/(x2+x)=3/2
x/(x-2)+(x+1)/(x-6)=2x/(x-3) 解分式方程
解方程: (1) (x-3)/(x-2)+1=3/(2-x) (2) (2x+1)/(x2+x)=5/(6x+6 (3)
x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6 分式方程