take out 10 balls and 5 in each side公仔箱論壇4 H+ T3 s# y k3 Q7 s$ m. W
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." }$ c5 w" |* ] k; a2 B/ Z
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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& [2 m, t/ B* _4 K* l3 [5 b7 U公仔箱論壇used less then 1 min to find out the answer.... |