无理数 2 {\displaystyle \color {blue}{\sqrt {2}}} - φ {\displaystyle \color {blue}\varphi } - 3 {\displaystyle \color {blue}{\sqrt {3}}} - 5 {\displaystyle \color {blue}{\sqrt {5}}} - δ S {\displaystyle \color {blue}\delta _{S}} - e {\displaystyle \color {blue}e} - π {\displaystyle \color {blue}\pi }
