若(x+1)\(x-1)÷(x-2)\(x-3)有意义,则x的取值范围是?

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式：X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X. 化简(x^2-2x+1)/(x^2+1)÷(x-1)/(x^2+x)-x [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 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2 分解因式----（X*X-X)(X*X-X-2)+1 (x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3 若x为x²-2x-2=0的正整数根,求(x²-1)/(x²+x)÷[x-(2x-1)/x] x-1/x÷(x-1/x) 若x+2分之x+1÷x+4分之x+3 有意义求x范围 】x(x+1)+x^2(x-1) 1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做 x/x^2-2x÷(x^2-4)^-1 若x∈【-1,2】,x*3-x*2-x x²-1/x²-2x+1÷x+1/x-1 X 1-x/1+x (x²-x+1)÷(x²-x-1)=(x²+x)÷(x²+x-2)解方程 (2x-6)/(x^2-9)+(x^2+2x+1)/(x^2+x-6)÷(x+1)/(x-2)