take out 10 balls and 5 in each side
- R, O0 r. h, rif 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.* n$ f9 a1 @& e6 O) h
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。/ @9 ]3 x% e' C: N4 K- _0 I# i
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.
( W8 e! R3 d, P9 |* I7 T5 wif 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.
% f/ x& }9 R' L6 _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。2 Q4 D/ J) p# `2 k; S
used less then 1 min to find out the answer.... |