作业帮1 (x + 1/x-1)/ x/x^2-1*1/x^2+2x+1;其中x=2; 2 2x-4/x^2-4 / 2x/x+2-1/x-1;其中x=5;多谢各位了,感激不尽,总觉得很难,麻烦把过程写清楚,我好理解,急,[注:x^2代表x的平方;/代表分数线或除号],
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![1 (x + 1/x-1)/ x/x^2-1*1/x^2+2x+1;其中x=2; 2 2x-4/x^2-4 / 2x/x+2-1/x-1;其中x=5;多谢各位了,感激不尽,总觉得很难,麻烦把过程写清楚,我好理解,急,[注:x^2代表x的平方;/代表分数线或除号],](/uploads/image/z/2682825-33-5.jpg?t=1+%28x+%2B+1%2Fx-1%29%2F+x%2Fx%5E2-1%2A1%2Fx%5E2%2B2x%2B1%3B%E5%85%B6%E4%B8%ADx%3D2%3B+2+2x-4%2Fx%5E2-4+%2F+2x%2Fx%2B2-1%2Fx-1%3B%E5%85%B6%E4%B8%ADx%3D5%3B%E5%A4%9A%E8%B0%A2%E5%90%84%E4%BD%8D%E4%BA%86%2C%E6%84%9F%E6%BF%80%E4%B8%8D%E5%B0%BD%2C%E6%80%BB%E8%A7%89%E5%BE%97%E5%BE%88%E9%9A%BE%2C%E9%BA%BB%E7%83%A6%E6%8A%8A%E8%BF%87%E7%A8%8B%E5%86%99%E6%B8%85%E6%A5%9A%2C%E6%88%91%E5%A5%BD%E7%90%86%E8%A7%A3%2C%E6%80%A5%2C%5B%E6%B3%A8%3Ax%5E2%E4%BB%A3%E8%A1%A8x%E7%9A%84%E5%B9%B3%E6%96%B9%3B%2F%E4%BB%A3%E8%A1%A8%E5%88%86%E6%95%B0%E7%BA%BF%E6%88%96%E9%99%A4%E5%8F%B7%5D%2C)
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1 (x + 1/x-1)/ x/x^2-1*1/x^2+2x+1;其中x=2; 2 2x-4/x^2-4 / 2x/x+2-1/x-1;其中x=5;多谢各位了,感激不尽,总觉得很难,麻烦把过程写清楚,我好理解,急,[注:x^2代表x的平方;/代表分数线或除号],
1 (x + 1/x-1)/ x/x^2-1*1/x^2+2x+1;其中x=2; 2 2x-4/x^2-4 / 2x/x+2-1/x-1;其中x=5;多谢各位了,感激不尽,总觉得很难,麻烦把过程写清楚,我好理解,急,[注:x^2代表x的平方;/代表分数线或除号],
1 (x + 1/x-1)/ x/x^2-1*1/x^2+2x+1;其中x=2; 2 2x-4/x^2-4 / 2x/x+2-1/x-1;其中x=5;多谢各位了,感激不尽,总觉得很难,麻烦把过程写清楚,我好理解,急,[注:x^2代表x的平方;/代表分数线或除号],
1
(X+1)/(X-1)*(X+1)(X-1)/X*1/(X+1)方
=1/X
=1/2
2
2(X-2)/[(X+2)(X-2)]*(X+2)/2X-1/(X-1)
=1/X-1/(X-1)
=1/5-1/4
=-1/20
*-----------------------------------------------*| 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.
分解因式----（X*X-X)(X*X-X-2)+1
】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+(1-x)/x-1/x
x-1/x-2
{2X+1}+{X}
(x^2-1)/x
x^2-1/x
2X+|X+1|
｜x-1｜+｜x-2｜
(x+1)/(x+2)
/X+1/+/X+2/
2x/(1-x)
|X+2|+|X-1|
2x-1 (x