|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+……+|1/2010-1/2009|
=1/2-1/3+1/3-1/4+1/4-1/5...+1/2009-1/2010
=1/2-1/2010=167/335
初一数学|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+……+|1/2010-1/2009|
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相关问题
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一道初一难题（1-1/2-1/3-1/4-…-1/2009)X(1/2+1/3+1/4+…+1/2010)-(1-1/2
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1/(1*2)+1/(2*3)+1/(3*4)+1/(4*5)+1/(5*6).+1(2009*2010)=?
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（1）︱1/3+（-1/2）︱+︱1/4+（-1/3）︱+︱1/5+（-1/4）︱+.+︱1/2010+（-1/2009
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简便计算：|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2010-1/2009|
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[1+2+3+4+5+...+2009+2010]/[(1-1/1006)(1-1/1007)...(1-1/2009)
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初一数学题计算(-1*1/2)+(-1/2*1/3)=(-1/3*1/4)+...+(1/2008*1/2009)
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(-1*1/2)+(-2*1/3)+(-3/1*1/4)+...+(-1/2009*2010)+(-1/2010*1/2
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1.-|-3|= 2.+|-3|= 3.-|+3|= 4.|1/2011-1/2010|+|1/2010-1/2009|
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|1/3-1/2|+|1/4-1/3|+...+|1/2010-1/2009|
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1/1*2+1/2*3+1/3*4+.1/2009*2010=?