因式分解問題 - 推理遊戲
By Dora
at 2006-07-19T20:53
at 2006-07-19T20:53
Table of Contents
2 2
12x + 14xy - 20y + 20x - 11y + 3 = 0
因式分解
解 x 和 y
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推理遊戲
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