take out 10 balls and 5 in each side2 J! Y5 V' z0 m- P2 i3 _
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.公仔箱論壇3 k6 A9 q" z- M) z; Y) B
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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.tvb now,tvbnow,bttvb0 G9 M1 `- q; ~+ J
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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