
初二分式方程
1/(x-1)(x-2)+1/(x-2)(x-3)+1/(x-3)(x-4)……+1/(x-2010)(x-2011)=2/(x-2011)求解,过程...
1/(x-1)(x-2)+1/(x-2)(x-3)+1/(x-3)(x-4)……+1/(x-2010)(x-2011)=2/(x-2011)
求解,过程 展开
求解,过程 展开
1个回答
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1/(x-1)(x-2)=1/(x-2) - 1/(x-1)
1/(x-2)(x-3)=1/(x-3) - 1/(x-2)
... ...
1/(x-2010)(x-2011)=1/(x-2011) - 1/(x-2010)
等式右边的相加 ,抵消掉相同的项,等于1/(x-2011)-1/(x-1)吧
1/(x-2)(x-3)=1/(x-3) - 1/(x-2)
... ...
1/(x-2010)(x-2011)=1/(x-2011) - 1/(x-2010)
等式右边的相加 ,抵消掉相同的项,等于1/(x-2011)-1/(x-1)吧
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