wingonwong

take out 10 balls and 5 in each side5.39.217.777 G& v5 F) `- X, L
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.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。: |3 G- O9 u  V4 @

) [3 v# P  [0 r! i0 \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.
4 r; @7 j1 Q: X5 H  \+ ?if 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.tvb now,tvbnow,bttvb$ e: i1 P. d- O0 \% w
tvb now,tvbnow,bttvb4 G4 V( A* N' h2 o, u- q
used less then 1 min to find out the answer....