引用第2楼galilette于2007-05-31 02:59发表的 :there must be at least 2 sets of solution that can simultaneously satisfy the product/sum condition, but the fact that he has only 1 youngest son (if that's the implication...) removes that ambiguity, so the discarded solution must have the smaller 2 ages identical.now 36 = 2x2x9 = 1x6x6, so 1,6,6 can be the answer
引用第11楼天堂有令于2007-06-01 12:54发表的 :有头发就不是小孩子了吧