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Ú°½Œã”¼3F-38.5(¸×½•½‹Ï39.4)
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1º:6(8,11)(2,3,9)13(4,10)-(5,12)=1 7
2º:(*6,8)(2,11)(3,9)(4,10,13)5,12=1 7
3º:(*6,8)11(2,3,9)(4,10,13)(5,12)-1 7
4º:(*6,8)11(2,9)(4,10,13)(3,5,12)1 7
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