0143132人目の素数さん垢版 | 大砲2020/11/14(土) 22:45:37.38ID:SJ+cS0SQ https://www.wolframalpha.com/input/?i=solve+x%5E2%2Bxy%2By%5E2%3D16%2C+y%5E2%2Byz%2Bz%5E2%3D25%2C+z%5E2%2Bzx%2Bx%5E2%3D36&lang=ja