化简1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2009)(x+2010并且当x=1时,该
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![化简1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2009)(x+2010并且当x=1时,该](/uploads/image/z/1253137-49-7.jpg?t=%E5%8C%96%E7%AE%801%2Fx%28x%2B1%29%2B1%2F%28x%2B1%29%28x%2B2%29%2B1%2F%28x%2B2%29%28x%2B3%29%2B%E2%80%A6%E2%80%A6%2B1%2F%28x%2B2009%29%28x%2B2010%E5%B9%B6%E4%B8%94%E5%BD%93x%3D1%E6%97%B6%2C%E8%AF%A5)
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化简1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2009)(x+2010并且当x=1时,该
化简1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2009)(x+2010并且当x=1时,该
化简1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2009)(x+2010并且当x=1时,该
1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1(x+2009)(x+2010)
=1/x-1/(x+1)+1/(x+1)-1/(x+2)+1/(x+2)-1/(x+3)+...+1/(x+2009)-1/(x+2010)
=1/x-1/(x+2010)
故当x=1时,原式=1 -1/2011 =2010/2011
x/x+(1-x)/x-1/x
化简|x+1/x|
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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
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(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)
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化简1+x+x(1+x)+x(1+x)^2+.+x(1+x)^2003,得到
化简1+x+x(1+x)+x(1+x)²+...+x(1+x)1995次方
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