見識了經濟"數"學。經濟學教授要求證的恒等式經不起一個小學生的推敲。
1元 =100分
HaHa
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見識了經濟"數"學。經濟學教授要求證的恒等式經不起一個小學生的推敲。
1元 =100分
•
對啊,是笑林之聲~~
-大臭臭-
♀
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09/17/2013 postreply
04:18:13
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