i found the ans in 30 mins but dont know correct or not?
/ _' a% M- Q: m; t/ o: l3 q4 Ctvb now,tvbnow,bttvbans is too long! but concepts are something like that:tvb now,tvbnow,bttvb1 s8 J- C$ o* ^' } n/ }5 _4 ^
seprate 4 groups 3 balls in one group!
1 W; e( O/ |# l1 x- K! _os.tvboxnow.comthe 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 ?. N. D/ a$ r. T% y
the last part is 1ball vs 1ball! something like that |