新符号学 (第24/25页)

{34}{21}},{\frac{55}{34}},{\frac{89}{55}},{\frac{144}{89}},{\frac{233}{144}},{\frac{377}{233}},{\frac{610}{377}},{\frac{987}{610}},{\frac{1597}{987}},{\frac{2584}{1597}},{\frac{4181}{2584}}}

    分母1,2,3,5,8,13,21,....正是斐波那契数列。

    其他编辑

    √2=1.4142135623~={\dispystyle{99\over70}}{\dispystyle{99\over70}}

    √3=1.7320508075~={\dispystyle{71\over41}}{\dispystyle{71\over41}}

    √5=2.2360679775~={\dispystyle{199\over89}}{\dispystyle{199\over89}}

    √10=3.162277660~={\dispystyle{117\over37}}{\dispystyle{117\over37}}

    {\dispystyle{\sqrt[{12}]{2}}}\sqrt[12]{2}=1.059463094~={\dispystyle{107\over101}}{\dispystyle{107\over101}}

    2

    e=2.718281828~={\dispysty