先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1),然后选取一个你喜欢的x的值代入计算.

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先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1),然后选取一个你喜欢的x的值代入计算.先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1

先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1),然后选取一个你喜欢的x的值代入计算.
先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1),然后选取一个你喜欢的x的值代入计算.

先化简((x+1)/(x-1)+1/(x²-2x+1))÷x/(x-1),然后选取一个你喜欢的x的值代入计算.
原式=[(x²)/(x-1)²][(x-1))/x]=x/(x-1)
当x=2时,原式=2

=（x+1)/(x-1)×(x-1)/x+1/(x-1)^2×（x-1)/x
=(x+1)/x+1/x(x-1)
=(x^2-1)/x(x-1)+1/x(x-1)
=x^2/x(x-1)

x/x+(1-x)/x-1/x *-----------------------------------------------*| 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. (x+1)(x-1)(x-x+1)(x+x+1) 分解因式----（X*X-X)(X*X-X-2)+1 X(X-1)=X 1.1/x|x/(x+1)| x/x-1[1+(x-1/x)] x-1/x÷(x-1/x) 】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)怎么做先化简,再求值:(2-x/x^2+x)/(x^2-3x/x^2+2x+1)x(9-x^2/4-2x),其中x=-2 先化简,在求值：x-1/x除以（x-2x-1/x),其中x=2 先化简,再求值：x²(x-1)-x(x²-x-1),其中x=½ x>1/1-x x+1/x-1 (X + 1) /(x - 1)