take out 10 balls and 5 in each side
, n/ ?: j# A, Z1 h- }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 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.
w& R* c/ u6 B0 L9 C! b! r; U公仔箱論壇
1 g! w' B g8 l# F% Fif 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.
* a! N8 L0 [) c* b4 w% Cif 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.
# a# \9 x Z |! u1 |% k+ _) {8 U' b/ H公仔箱論壇. u! D1 ~7 R- R6 F
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
| 
