Ú°½‘O”¼3F-39.3(¸×½•½‹Ï38)
Ú°½Œã”¼3F-38.6(¸×½•½‹Ï39.8)
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1º:3,9,11(1,4,10)(8,12)-13,5(2,7)
2º:(*3,9)(1,11)(4,10)(8,12)-13,5(2,7)
3º:(*3,9)11(1,4,10)(8,12)13,5,2=7
4º:(3,*9,11)4(1,8)12,5,13-(10,2)=7
1’…”n / 2’…”n / 3’…”n