0171132人目の素数さん垢版 | 大砲2018/12/05(水) 06:45:28.53ID:fLK6/i8S π = (10 - 3/23)^{1/2} = 3.1415864 π = (31 + 1/155)^{1/3} = 3.1415985 π = (97 + 9/22)^{1/4} = 3.14159265 π = (306 + 1/51)^{1/5} = 3.14159250