宇宙大爆炸

好難呀......睇答案啦...哈哈

fatuity

* C- J: ^* x8 y8 F5.39.217.76呵呵 這題目以前做過了
+ A9 P) c0 G& s; z公仔箱論壇不過忘記是多久做出來的
. G) F: n- h! p0 n2 J不過謝謝大大分享啊: s6 T3 T3 U# H$ v) s
推～

sambalai

i also not so comfirm bout my ans.......so hope tat the ans i got nearly the same wit u

jonjonpan

^:)^

kinman0702

THX

willie811

LET ME SEE ANSWER

kewpiepuca

haha get it la let me check check sin

9號仔

有意思~睇下個答案先^~^

lazguy

X( =((

davidwlh

it's a very good question!!!

richyip

divide it into pile and wait , then use the heavy side and divided into two pile and weight, and take out the heavy side which remain3 then take any two to weifht ,if both side even then the odd one is hte different one ,and if one side is heavier than the other ,then you know the answer.

picnic4567

see see

chenloong87

...

hellowai

let me see

gensy850711

first divide it into 3 groups... 4 for each group...
0 q' _& V0 y  O3 }! |* s公仔箱論壇den use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...tvb now,tvbnow,bttvb& _2 ]7 x; c' ^2 p( [1 {: E
den... left 4 balls...tvb now,tvbnow,bttvb* D! i* p" U/ P& J/ v! q7 X4 A
when u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb: }+ i, y( y3 c" q4 b: D
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...* ~! ~& l- t- B, }; ], q$ I) u' S
take the heavier or lighter 1... throw away tat 2 normal ball...
9 ?% S, k* z3 @, x: Q! E, ?. O0 y! Ltvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
2 \' ^$ {1 P  |8 S3 ~+ {+ Qtvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1...