wingonwong

take out 10 balls and 5 in each side
' I/ f' b; u# b7 fif 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.tvb now,tvbnow,bttvb9 |, t" }6 l( X) N; E

6 o" A6 K( Q, \$ p8 W5.39.217.77:8898if 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.5.39.217.77:88982 W; T+ b8 u5 Y
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.
# I' i2 Y$ a* H" U  |  V5 t5.39.217.77:8898
) J/ S) A4 k; N8 l: C; Y公仔箱論壇used less then 1 min to find out the answer....