‘–”jŽžŒv 1.50.3
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Ú°½‘O”¼3F-38.0(¸×½•½‹Ï37.1)
Ú°½Œã”¼3F-39.9(¸×½•½‹Ï38.6)
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1º:2(4,9)-(5,7)(6,8)-1=3
2º:2(4,9)5(7,8)-6-1=3
3º:(*7,9)-5-4(8,6)-1=3
4º:7,9-5=4,6(8,1)=3
1’…”n / 2’…”n / 3’…”n