take out 10 balls and 5 in each side
* t7 K5 z2 ?. f6 g, X3 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.
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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.
" D6 I( r( Z( P+ S; `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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" y# u6 u& ^/ G. q( z; S公仔箱論壇used less then 1 min to find out the answer.... |