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Ú°½Œã”¼3F-39.7(¸×½•½‹Ï38.5)
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1º:12(6,10,8)13(5,4)9(3,2)11,15-14-1=7
2º:12(6,10)(5,4)(8,13)(3,2,9)-11(14,15)-1=7
3º:12(6,10)5(3,4,8)(2,13)-9,14,11(1,15)=7
4º:(*12,10)6,5,3(4,8)2-13,14,9-(1,11)-15=7
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