take out 10 balls and 5 in each side
: f0 z/ ?5 C( S# a& B( z( \- mwww.tvboxnow.comif 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.& G1 Y2 ]- I) L, D
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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.公仔箱論壇4 p3 z6 V+ X, J3 ~4 g' q1 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.
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used less then 1 min to find out the answer.... |