who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb- P5 t: r* Y5 K
公仔箱論壇9 B6 e4 v' B. W1 V' ~+ `% x5 |
1st: 6 vs 6, find out which side is heavier
$ H8 X1 {4 U* x& `. G8 `7 |www3.tvboxnow.com2nd: from the heavy side, 3 vs 3, find out which side is heavierwww3.tvboxnow.com; t- m) n4 {$ g! y# z& R
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 |