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15ȸ ȭõ ȭ ȸ 4 23Ϻ 4 25ϱ 3 ȭõ ֵƴ.
б( ) 15ȸ ȭõ ȭ ȸ 4 Ͽ, 7 34 49 ݸ(2г ±, 3г ), Ÿ 8 4 98 (2г ̽ȣ, 3г ) ȹߴٰ 26 .
ֿڰб( ) ݸ 1 1, 1 ȹߴ.
ȸ ֿ 2г 淮 ̱۽ÿ ݸ, 3г ̹,ֿ, ̼ 2г 巯ýÿ , 3г ֿ, 1г ÿ ȹߴ.
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ŵȣ jscar1004@hanmail.net
ŵȣ Դϴ.
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