Divide the 12 balls into 4 groups of 3's.tvboxnow.com! k( ^$ ~) i% B' i
Weigh group 1 & 29 A9 l/ I7 G! B5 {2 U
then weigh group 2 & 39 N1 c! ~) a) @ F! x
If the results are Equal & Equal, it means the ball with the different weight is in group 4. 2 w+ ~- Q' b! k- \$ q' H. D! oIf the results are Equal & Unequal, it means the ball is in group 3. 9 d3 Q2 {4 m9 \! G/ ]TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。If the results are Unequal & Equal, it means the ball is in group 1.tvboxnow.com% V2 l* }1 ^) M A: T9 m+ B1 @! f
If the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇( Q @7 O# G) _8 _+ |8 r
" E2 ^8 z* i; p1 g1 \Once you determine the group that contains the ball. 1 p1 S. Y7 f7 \* v( b: s' _Simply weigh two of the balls
[CASE 2]公仔箱論壇- l7 n. e F0 J% @- H. p
重D果邊叫A組,輕 D果邊叫B組,為方便稱呼,將A組編為A1,A2,A3,A4,B組編為B5,B6,B7,B8,而頭先C組果4個則是正常波。A組重過B組,即異重波可能是在A組[較正常波重]或在B組[較正常波輕],將A1,B5加一個正常波同A2,B6,B7稱,A3,A4,B8放埋一邊。結果有以下三個﹕