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[ Last edited by txs851008 on 2013-7-11 at 23:13 ]
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txs851008: ½ð±Ò+1 2013-07-12 09:27:10
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hank612

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txs851008: ½ð±Ò+6 2013-07-12 09:09:10
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( c_1 -c_3 ) y^2 + ( 2*c_2*c_3*x ) y + ( - c_2^2 x^2 - c_4)=0
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laosam280

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txs851008: ½ð±Ò+6 2013-07-12 11:14:06
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wangefang

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txs851008: ½ð±Ò+5 2013-07-12 13:42:54
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