因为分子相同时,分母越大的数月小所以1/2010
化简：|1/2010-1/2009|+|1/2009-1/2008|+|1/2008-1/2007|-|1/2007-1
2个回答
相关问题
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数学题哈化简 |1/2010-1/2009|+|1//2009-1/2008|+|1/2008-1/2007|-|1/2
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简算:1/(2007+2008)+1/(2008+2009)+1/(2010+2011)+2011
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|1/2009-1/2008|-|1/2008-1/2007| =1/2008-1/2009-1/2007+1/2008
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2008+2007x2009/2008x2009-1+2009+2008x2010/2009x2010-1+2010+2
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(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/
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用简便方法计算1/2007*1/2008+1/2008*1/2009+1/2009*1/2010+1/2010*1/20
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（2007×2008×2009×2010+1)-(2008²+2007)²
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2010²-2009²+2008²-2007²+……+2²-1²
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2008+2009*2007/2008*2009-1
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1*2*3*...*2009*2010.还有：2009/2008*2008/2007*...*2/3*2/1.