以下片段对我来说似乎非常陌生。结果应该是-3.6 ..有些舍入失败或者我错过了什么？
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:45:13) [MSC v.1600 64 bit (AM
D64)] on win32
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>>> -5.0+float(14)*0.1
-3.5999999999999996
>>>