Ú°½‘O”¼3F-34.4(¸×½•½‹Ï36)
Ú°½Œã”¼3F-36.1(¸×½•½‹Ï36.1)
¡‰ñLAP “¯”nêó‘Ը׽•½‹Ï
¸Þ×Ì㉺”½“]
1º:12-5=10,3,8,9(1,7)13,2-(11,6)-4
2º:12-5=10,3,8(9,7)(13,1)2(11,6)-4
3º:12-5=10,3,8(9,7)(13,1)2(11,6)=4
4º:(12,*5)-10,3,8-(7,1)(13,6)9,11,2=4
1’…”n / 2’…”n / 3’…”n