take out 10 balls and 5 in each side公仔箱論壇. B; U8 q' f; A2 G, E
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./ U O. k" P/ ?8 ] Q$ Z
7 h o# e" x+ r, V" A3 \' e5.39.217.76if 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.tvb now,tvbnow,bttvb8 X, v6 D" _, i2 |0 W; }; T& d
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.
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9 l! B7 e; a3 d& d7 |6 ztvb now,tvbnow,bttvbused less then 1 min to find out the answer.... |