i found the ans in 30 mins but dont know correct or not?
# V2 Y, l9 J$ d3 T; }5 t$ q公仔箱論壇ans is too long! but concepts are something like that:
# x% I# r. ?! f% p7 I% ctvb now,tvbnow,bttvbseprate 4 groups 3 balls in one group! 公仔箱論壇8 F6 a, F5 T& R
the important part is the 2nd times which need to find out the fake ball is heavier or lighter by use the normal ball that u find at the first time!公仔箱論壇6 g3 X7 { S( ?' ?$ _" z
the last part is 1ball vs 1ball! something like that |