There is 12 balls.. divide them into piles of 4
- Q# r8 F& R& O0 |# t+ [" |公仔箱論壇so 3 groups for 4..name is A,B,C公仔箱論壇9 @. a+ _1 D1 H2 t% S. \
case 1:
2 i7 |* y _+ s/ \; ?9 \3 hmeasure A -- B
* e j- T$ c* i% Z8 ]7 Ftvb now,tvbnow,bttvbA or B is heavier 公仔箱論壇; I' M+ B( g. c8 d3 t& y- I
divide that group into 2 by 2tvb now,tvbnow,bttvb' m4 r( L2 T9 `, t( X$ m/ W
then divide heavier group into 1 by 1
2 E* t% v( C. x+ Ftvb now,tvbnow,bttvbos.tvboxnow.com8 ]% `0 t9 u: S
case 2:公仔箱論壇0 ~1 j0 ?! P: c: P$ x/ o
A and B is the same.. therefore C has the heavier ball1 | ~9 p) w e D( b% T% u
divide C into 2 by 2
, z ~, ^2 i# N: `3 K- p, \7 V9 A公仔箱論壇then divide heavier group into 1 by 1..tvb now,tvbnow,bttvb# D9 K) V+ d$ C$ d" c. k9 l- H
os.tvboxnow.com1 T8 J* `6 \" {3 P
got it in 30 seconds.. not so hard -.-' |
發表於 2007-3-27 01:35 AM
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一知道有答案睇就唔想谂咁耐了
