first, compare 6 and another 6. they must have difference.
: K, m9 J1 K ^6 _, K6 [* M/ ~公仔箱論壇second, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb/ Z, G5 l4 B) r q& h7 J, b/ L
third time, if u put 2 and they are equal, u will know the different one.
* ]4 N$ M% P; o3 X- w% A公仔箱論壇so easy.... |