化简:x^2+2x/1+x÷x÷2/x+1=?

[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 化简(x^2-2x+1)/(x^2+1)÷(x-1)/(x^2+x)-x 化简(x^2-1)(x+1)/x^2-x÷(1 +x^2+1/2x) 化简（x^2-4x+4/2x)÷(x^2-2x/x^2)+1 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+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 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x+2)÷2x/(x²-4)化简 *-----------------------------------------------*| 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 || (x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3 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 化简：x(x^2+x)/x^2(x^2-1) 化简:(x^2-1/x^2-2x+1+1-x/x+1)÷x/x-1 化简(x+1/x^2-1+x/x-1)÷x+1/x^2-2x+1 化简(x^2-4/x^2-4x+4)÷(x+2/x+1)-x/x-2 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：2|x| -3x÷|2x-|5x|| 化简||x|-2x|÷(|x-3|-|x|)