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leedobb

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yanyangao

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2Â¥: Originally posted by zuqiuha at 2013-04-20 22:52:11
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4Â¥: Originally posted by leedobb at 2013-04-20 23:42:42
ÉèΪL
24£ºL-24 = L +36: 2L-36
24(2L-36) = (L-24)(L+36)
48L =L^2+(36-24)L

L= 36

5Â¥2013-04-20 23:46:34
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½ð³æ (ÕýʽдÊÖ)

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9Â¥: Originally posted by 10801006 at 2013-04-21 08:16:54
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