1/2009-1/2010 + 1/2010-1/2011 + 1/2009-1/2011 =2/2009 -2/2011 =4/4040099 你们老师是不是给错答案鸟
(1/2009-1/2010)+(1/2010-1/2011)+(1/2011-1/2009)= 注:我打的括号等于绝对
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相关问题
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计算:(1/2009-1/2010)+(1/2010-1/2011)+(1/2011-1/2009)= 注:我打的括号等
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(1/2011*1/2010*1/2009*...1/3*1/2*1)∧2011*(2011*2010*2009*...
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(2009×2010-1)/(2009+2008×2010)+(2010×2011-1)/(2010+2009×2011
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2010+2009×2011/2010×2011-1—2009+2008×2010/2009×2010-1
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|1/2012-1/2011|+|1/2011-1/2010|+|1/2010-1/2009|-|1/2009-1/20
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计算:(1/2+2009/2010+2010/2011)*(2009/2010+2010/2011+2011/2012)
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|1/2009-1/2010|+|1/2010-1/2011|+|1/2011-1/2012|
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|1∕2009-1∕2010|+|1∕2010﹣1∕2011|﹢|1∕2011-1∕2012|=
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求解1/1*2010 + 1/2*2009 + .+ 1/2010*1 - 2010/2011(1/1*2009+1/2
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计算 |1/2011-1/2010|+|1/2010-1/2009|+|1/2009-1/2008|+...+|1/3-