Ú°½‘O”¼3F-37.1(¸×½•½‹Ï36.9)
Ú°½Œã”¼3F-38.2(¸×½•½‹Ï37.9)
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1º:(*4,11)-(3,7)(5,10)-(2,6)-12(1,13)=9,8
2º:4,11,7(5,3)10-(2,6)-12,1=13,9-8
3º:(*4,11)7(5,3,10)(6,12)1,2-9=13=8
4º:(*11,7)(4,3,12)10(5,6)1-9-2-13=8
1’…”n / 2’…”n / 3’…”n