take out 10 balls and 5 in each side5.39.217.765 D+ a3 z) X" V) m& c
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.5.39.217.76/ ^8 q; D! j+ ~8 s0 ?, _
4 ?( E. N) M* F+ w9 Uif 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,bttvb% n( s9 K: A; `* F3 m) u2 p3 U
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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8 x" ?3 K8 k0 x4 V( P% e( m% o5 J6 f公仔箱論壇used less then 1 min to find out the answer.... |