みつばち
28 Jun 2017

足して10になる4つの数

(7, 1, 1, 1)
(6, 2, 1, 1)
(5, 3, 1, 1)
(5, 2, 2, 1)
(4, 4, 1, 1)
(4, 3, 2, 1)
(4, 2, 2, 2)
(3, 3, 3, 1)
(3, 3, 2, 2)