(3.1,2.2,5.8)
(3.6,2.7,4.3)
回複:奧地利奧賽題:3元1次方程組(2星)
本帖於 2009-03-18 18:53:21 時間, 由普通用戶 康MM 編輯
(3.1,2.2,5.8)
(3.6,2.7,4.3)
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