who can't figure out??????it's just basic math, primary school kid should already know it [-X
6 l- w! \4 q' F/ m' atvb now,tvbnow,bttvb
% _5 ?! c3 r1 M- K% |& C1st: 6 vs 6, find out which side is heavier
9 {2 c: M [. h4 E3 v) v2nd: from the heavy side, 3 vs 3, find out which side is heavier公仔箱論壇( A" o3 d. X; _% @
3rd: choose 2 out of 3 from the heavier side, if they weight the same, the 1 left is the one, if not, u can see it right away the heavier ball is on the 天秤 |
發表於 2007-2-25 09:20 PM
| 
發表於 2007-2-27 09:08 PM
|