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Ú°½Œã”¼3F-39.4(¸×½•½‹Ï38.3)
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1º:7(12,13)2(6,8)4,9-5(11,3)-10=1
2º:7(12,13)2(6,8)4,9-(5,3)11,10=1
3º:(*7,12)13,2(8,9)4(6,3)10(5,11)=1
4º:(*7,12,13,9)(2,4,3)8,10(6,11)5=1
1’…”n / 2’…”n / 3’…”n