16853| 2
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[提问] 等差数列,有什么规律? |
发表于 2008-12-1 16:06:08
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毋因群疑而阻独见 毋任己意而废人言
毋私小惠而伤大体 毋借公论以快私情 |
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发表于 2008-12-2 17:53:00
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毋因群疑而阻独见 毋任己意而废人言
毋私小惠而伤大体 毋借公论以快私情 |
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