问题标题:
【计算:2011.327×2010.328-2011.328×2010.327=______.】
问题描述:

计算:2011.327×2010.328-2011.328×2010.327=______.

冯丽回答:
  2011.327×2010.328-2011.328×2010.327   =2011.327×(2010.327+0.001)-(2011.327+0.001)×2010.327   =2011.327×2010.327+2011.327×0.001-2011.327×2010.327-0.001×2010.327   =2011.327×2010.327-2011.327×2010.327+2011.327×0.001-0.001×2010.327   =2.011327-2.010327   =0.001.   故答案为:0.001.
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