简便计算:36/[(17.5+1.22)/26]

问题描述:

36/[(17.5+1.22)/26]

五年级 1个回答 分类:数学 2020-01-11

问题解答:

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解法一:

36÷[(17.5+1.22)÷26]

=36÷18.72×26

=26÷[(18+0.72)÷36]

=26÷(0.5+0.02)

=26÷0.52

=50

 

解法二:

36÷[(17.5+1.22)÷26]

=36÷[18.72÷26]

=36÷0.72

=50

 

解法三:

36÷[(17.5+1.22)÷26]

=36÷(18.72÷26)

=36÷(13×1.44÷13÷2)

=36÷1.44×2

=72÷1.44

=50

 
 
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