FromContinuedFraction
 Usage
• FromContinuedFraction[list] 从它的紧接的分数部分构造一个数。
Notes
• FromContinuedFraction[  ,  ,  , ...  ] 返回  . •  可以是符号. • FromContinuedFraction 起ContinuedFraction的逆的作用。
 Further Examples
Here is a continued fraction and its value as an ordinary fraction.
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Out[1]=
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This list represents the continued fraction.
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Out[2]=
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FromContinuedFraction converts the list representation back to a fraction.
In[3]:=
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Out[3]=
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The sublist here represents a repeated part.
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This list represents a quadratic number.
In[5]:=
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Out[5]=
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开始，然后包括重复循环
的精确数。
