faint, it is 51 in original equation, not 5!

Kaolin007 · 2009-04-12 00:08:28Z

faint, it is 51 in original equation, not 5!简介

来源: Kaolin007 于 2009-04-12 00:08:28 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 美国奥赛题：一元二次方程（2.5星）由康MM 于 2009-04-08 10:07:57

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