take out 10 balls and 5 in each sidetvb now,tvbnow,bttvb! w# P4 r0 q1 R3 o
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.TVBNOW 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。$ w# B! i* ?- b( y
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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.5 x" h+ ^! Z5 ]; v, h+ M
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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4 d0 ^; W6 A+ q! C+ tused less then 1 min to find out the answer.... |