sqrt((115/226 − 157/312 )^2)+sqrt((111/226 − 157/312)^2) https://www.wolframalpha.com/input?i=sqrt%28%28115%2F226+%E2%88%92+157%2F312+%29%5E2%29%2Bsqrt%28%28111%2F226+%E2%88%92+157%2F312%29%5E2%29&lang=ja ?エジプト式分数
sqrt((115/226 − 157/312 )^2)+sqrt((111/226 − 157/312)^2)
https://www.wolframalpha.com/input?i=sqrt%28%28115%2F226+%E2%88%92+157%2F312+%29%5E2%29%2Bsqrt%28%28111%2F226+%E2%88%92+157%2F312%29%5E2%29&lang=ja
?エジプト式分数