(3.1,2.2,5.8)
(3.6,2.7,4.3)
回复:奥地利奥赛题:3元1次方程组(2星)
本帖于 2009-03-18 18:53:21 时间, 由普通用户 康MM 编辑
(3.1,2.2,5.8)
(3.6,2.7,4.3)
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