take out 10 balls and 5 in each side公仔箱論壇% l" v. I# O9 \: a
if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.
4 {4 {1 l" o# x# n7 E% U6 [* G; {1 {
, p* h4 L% L: v- o9 e: bTVBNOW 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 heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.
0 g7 y+ c, u$ Y( D5.39.217.76if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
1 v8 P+ a) q; S9 u2 @% w. P W& m# }3 v/ Z) y: B: s% s
used less then 1 min to find out the answer.... |
發表於 2007-12-31 05:47 AM
| 
發表於 2008-1-1 08:48 AM
| 
