计算:784070+78407.1+7840.72+784.073+78.4074=------.

问题描述:

计算:784070+78407.1+7840.72+784.073+78.4074=______.
1个回答 分类:数学 2014-11-03

问题解答:

我来补答
784070+78407.1+7840.72+784.073+78.4074
=784070×(1+0.1+0.01+0.001+0.0001)+0.1+0.02+0.003+0.0004
=784070×1.1111+0.1234
=871180.3004
故答案为:871180.3004.
 
 
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