who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb( j, c9 a( Z# q' x8 x, W7 A$ S1 R
0 o ~ p; ^/ r. s9 @, `1st: 6 vs 6, find out which side is heavier
$ n! v2 t8 K2 k$ G9 ?公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier
8 M/ M4 m- S0 Q9 ?2 ptvb now,tvbnow,bttvb3rd: 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 |