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CMC
Joined: 23 Jan 2004Posts: 4
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Posted: Fri Dec 24, 2004 3:51 pm Post subject: 絕對值符號
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我想問下絕對值符號有咩用?幾時用?同點樣用?
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Andy
Frequent VisitorJoined: 28 Oct 2003Posts: 459
Location: Hong Kong
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Posted: Fri Dec 24, 2004 10:33 pm Post subject:
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某實數 x 的絕對值是指它與 0 （在實數線上）的距離。它可表示成 。
例如，我們有，，。_________________
Patience and tolerance are necessarily demanded Year-round.
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CMC
Joined: 23 Jan 2004Posts: 4
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Posted: Sun Jan 09, 2005 10:35 pm Post subject:
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我明la
唔該哂
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