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Ú°½Œã”¼3F-37.9(¸×½•½‹Ï38.1)
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1º:(*7,13,12)(5,8)(1,6)9-(10,11)=3(2,4)
2º:7(13,12)(5,8)(1,6,9)-(10,11)-4(2,3)
3º:(*7,13)12,5(8,9)(1,11)6(10,4)-2=3
4º:(7,*13)-(5,12)(8,9)(1,6,11)4,10-2=3
1’…”n / 2’…”n / 3’…”n