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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
正負數與絕對值----例題發問<<10點>>
Jul 9th 2013, 11:02

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題目如下: 數線上A與B距離4公分,且A記為+1B記為+3 ,若C在A左方且A跟C距離8公分,則C點該如何表示? 粉急需答案,請各位聰明的大大幫幫我吧!................

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