Problem D. A very hard Aoshu problem （金华赛区 2012 09 22）
摘要：
DescriptionAoshu is very popular among primary school students. It is mathematics, but much harder than ordinary mathematics for primary school students. Teacher Liu is an Aoshu teacher. He just comes out with a problem to test his students:Given a serial of digits, you must put a '=' and no 阅读全文
posted @ 2012-09-26 12:42 mycapple 阅读(520) 评论(0) 推荐(0) 编辑
