take out 10 balls and 5 in each side
3 w( D: M1 V: d |6 i5.39.217.76if 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.
+ W9 M# q, H# x4 T% ETVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。4 X7 H& l8 c! q5 p
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.2 q( x& i& ~" H/ 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.
: D6 V( g8 T/ a/ i$ Z5 S: S公仔箱論壇) G. Y; S8 P$ R8 D8 o
used less then 1 min to find out the answer.... |