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「但應該不會超過台幣3000元才是，最多3千5」設價錢為x，第一句話是說x < 3000，第二句話表示x < 3500，所以從這兩句可推論出 x < 3500由此可知第一句為廢話。
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Reader Comments (Page 1 of 1)
Ben @ May 20th 2009 6:23AM
「但應該不會超過台幣3000元才是，最多3千5」
設價錢為x，第一句話是說x < 3000，第二句話表示x < 3500，所以從這兩句可推論出 x < 3500
由此可知第一句為廢話。