回复：奥地利奥赛题：3元1次方程组（2星）

来源: passenger101 于 2009-02-12 07:41:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

(3.1,2.2,5.8)
(3.6,2.7,4.3)

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