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#1
10 ¾ÄÉÀÒ¤Á 2015, 22:41
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⨷Âì¢è͹Õé¤ÃѺÍèÒ¹ààÅéÇ §§ ªèÇÂàà¡é·Õè ¢Í¤ÓµÍº ÇÔ¸Õ¤Ô´´éǹФÃѺ
 
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#2
10 ¾ÄÉÀÒ¤Á 2015, 22:54
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¼Áä´é 18 ¹Õéà຺ÊØèÁàÅ¢ÍÂÒ¡ä´éÇÔ¸Õ¤Ô´ÍФÃѺ
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#3
11 ¾ÄÉÀÒ¤Á 2015, 00:39
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¼ÙéËÔ§1¤¹ ä´é¢Í§ÁÒ¡¡ÇèÒ¼ÙéªÒÂáµèÅФ¹à·èҡѹ ´Ñ§¹Ñé¹¼ÙéªÒ·ء¤¹ä´é¢Í§à·èҡѹ áÅмÙéªÒÂ1¤¹ä´é¢Í§¹éÍ¡ÇèÒ¼ÙéËÔ§áµèÅФ¹à·èҡѹ ´Ñ§¹Ñé¹¼ÙéËÔ§·Ø¡¤¹ä´é¢Í§à·èҡѹ ãËéÁÕ¼ÙéªÒ x ¤¹ áµèÅФ¹ä´éÃѺ y ªÔé¹ ¨Ðä´éÇèÒ
xy = 108 (30-x)(y+3) = 108 á¡éÊÁ¡ÒÃËÒ¤èÒ x
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