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[中學] 絕對值
[ Math ]6 留言, 推噓總分: +3
作者: Proakis - 發表於 2011/01/31 16:45(13年前)
3F推alex800826:x > -2 ---> 101/31 17:02
4F→alex800826:x < -2 ---> -101/31 17:03
5F→alex800826:x = -2 左極限不等於右極限 無值01/31 17:03
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