i found the ans in 30 mins but dont know correct or not?TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。0 A* B/ D5 _. `. e" G; ~6 n
ans is too long! but concepts are something like that:tvb now,tvbnow,bttvb$ @4 ]# i. M. _
seprate 4 groups 3 balls in one group! tvb now,tvbnow,bttvb3 X% J: Z$ Z: I+ g' z
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8 L* [, z' @0 l) ?0 ~
the last part is 1ball vs 1ball! something like that |