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xinn
Regular Member
 

加入日期: Jan 2008
文章: 74
901 - 106

--> 900 - 100 = 800
--> 800 - (106 - 100) = 800 - 6 = 794
--> 794 + (901 - 900) = 794 + 1 = 795

所以是這樣子算嗎?
舊 2013-10-13, 11:58 AM #50
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