Ú°½‘O”¼3F-37.6(¸×½•½‹Ï38)
Ú°½Œã”¼3F-38.9(¸×½•½‹Ï39.9)
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1º:(*4,10,15)13,11(7,9)2,12,3(1,5,6)8,16,14
2º:4(10,15)(11,13)(7,9)2,12,3(1,6)5,8-16,14
3º:(*4,15)(10,13)(2,11,9)-12,6(3,1,8)-16-5-14=7
4º:(*4,15)(2,13)11-9,10(12,6)1-3,8,16=5=14
1’…”n / 2’…”n / 3’…”n