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hellocѾѾ: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú, лл½â´ð~ 2012-10-23 09:10:19
Let y=15-x, it is OK!
2Â¥2012-10-21 19:09:02
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СÓêÃÈÃÈ: ½ð±Ò+1, ллӦÖú~ 2012-10-25 20:51:56
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3Â¥2012-10-21 21:37:47
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СÓêÃÈÃÈ: ½ð±Ò+1, ллӦÖú~ 2012-10-25 20:52:07
b=(16.546+14.601)/2=15.5735
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