虫食い算・最大値問題(8)の解答例を示します。
(8)の解
上位10個
4/(5+6)+8/(3+7)+9/(1+2) = 229/55 (4.16363… )
4/(5+7)+8/(6+3)+9/(1+2) = 38/ 9 (4.22222… )
4/(6+7)+8/(5+3)+9/(1+2) = 56/13 (4.30769… )
5/(3+4)+8/(6+7)+9/(2+1) = 394/91 (4.32967… )
5/(4+7)+8/(6+3)+9/(2+1) = 430/99 (4.34343… )
5/(6+7)+8/(3+4)+9/(2+1) = 412/91 (4.52747… )
6/(4+7)+8/(5+3)+9/(2+1) = 50/11 (4.54545… )
6/(5+7)+8/(3+4)+9/(1+2) = 65/14 (4.64285… )
7/(3+4)+8/(5+6)+9/(2+1) = 52/11 (4.72727… )
7/(5+6)+8/(3+4)+9/(2+1) = 368/77 (4.77922… ) 最大値