Ú°½‘O”¼3F-37.5(¸×½•½‹Ï37.8)
Ú°½Œã”¼3F-38.8(¸×½•½‹Ï38.5)
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1º:7,4,12(5,8)-9,2(6,13)1,10,11,3
2º:(*7,4)12-5(2,8)(1,9,13)(6,10)11,3
3º:(*7,4)12(5,9,13)(1,8,10)(6,11)2=3
4º:(7,4,*12)-(5,9)(1,13)(6,10)(8,11)-2=3
1’…”n / 2’…”n / 3’…”n