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onesupeng

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Originally posted by fyq98 at 2010-08-31 23:26:56:
ÕâÀàÎÊÌâµÄ½âÎö½â¿ÉÒÔͨ¹ýÃݼ¶Êý·¨ÇóµÃ£¬¼´¼ÙÉè½âΪÃݼ¶Êý£¬´úÈë·½³Ì£¬¸ù¾Ý¶ÔÓ¦´ÎÃÝϵÊýÏàµÈ£¬µÃµ½Ò»Ð©´úÊý·½³Ì£¬½âÖ®¼´µÃ

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fyq98

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Originally posted by onesupeng at 2010-09-01 00:17:33:


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onesupeng

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Originally posted by fyq98 at 2010-09-01 08:31:12:

why not try?

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7Â¥2010-09-01 12:48:16
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8Â¥2010-09-01 23:21:07
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dsolve('D2y + a * Dy ^ 2 + b * Dy + c = 0')

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