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yantong123

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pippi6

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shuxue0

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3Â¥2015-01-11 15:59:42
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yantong123

гæ (СÓÐÃûÆø)

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3Â¥: Originally posted by shuxue0 at 2015-01-11 15:59:42
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4Â¥2015-01-11 16:51:16
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yantong123

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ÒýÓûØÌû:
2Â¥: Originally posted by pippi6 at 2015-01-11 15:04:51
ÕâÑùд  \int dx \int_0^x f(t) dt    ¸üÇå³þЩÂð?

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5Â¥2015-01-11 16:52:53
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shuxue0

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4Â¥: Originally posted by yantong123 at 2015-01-11 16:51:16
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6Â¥2015-01-11 17:38:34
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zaq123321

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Post some context for others to decipher, like where, which book or paper or pictures etc.

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yantong123

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by zaq123321 at 2015-01-11 21:38:03
Post some context for others to decipher, like where, which book or paper or pictures etc.

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8Â¥2015-01-11 22:32:31
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laosam280

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feixiaolin: ½ð±Ò+20, http://emuch.net/bbs/viewthread.php?tid=8740247&fpage=1 2015-04-01 22:48:58
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9Â¥2015-01-12 22:55:33
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yantong123

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
9Â¥: Originally posted by laosam280 at 2015-01-12 22:55:33
\int (x-t)f(t)dt

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