wingonwong

take out 10 balls and 5 in each side
" r8 r: A- z( H6 D- `- X3 Q: Y& Uif 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.+ J* O; ?$ K8 k
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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used less then 1 min to find out the answer....

zhuhui99

888888888888

shirleytcl

kan yi kan !

sunpeng_333

这题错的，做不出来

gxoxin

kkkkk

陸小茗

3q  試試看

kingcocoon

let c

vic200704

其实也很简单啊

benwang0608

一直跑到死胡同裡www3.tvboxnow.com+ F8 h# n7 G2 g) w8 x+ d/ C
想了想還是有破綻
  T. ?) Q' E; [  A* {3 `! w7 q1 gTVBNOW 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。偷看一下答案嚕^^

qqwsxqq

:onion05: :onion05: :onion05: ..

astrology

這是非常有用的東西/ @& q" Z3 ?/ L: g6 e+ C  Z
thx~

CyberTsang

ｔｈｘ～

kellyscb

answer?