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take out 10 balls and 5 in each side: K3 k( |- c( M9 U1 j
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.
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7 r4 L4 L' S0 V. K6 O- `4 ?! `tvb now,tvbnow,bttvbif 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.& y* U1 p" x, W8 S& N* p
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....
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kan yi kan !
这题错的,做不出来

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kkkkk
3q  試試看
let c
其实也很简单啊
一直跑到死胡同裡
; t: i. K* u: @8 Y" l& ATVBNOW 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。想了想還是有破綻5.39.217.76/ W1 T) t6 Q  ]( B" t/ S
偷看一下答案嚕^^
:onion05: :onion05: :onion05: ..
這是非常有用的東西公仔箱論壇, h4 o- _, [3 A9 |  T
thx~
thx~
answer?
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