i found the ans in 30 mins but dont know correct or not?
0 D, X. L2 h# f) P ATVBNOW 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。ans is too long! but concepts are something like that:
* j' O* I0 }& Q0 _- |seprate 4 groups 3 balls in one group!
9 k' a- K! g7 ?" p7 F6 etvb now,tvbnow,bttvbthe 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!
, [6 O [/ {6 U$ W5 U9 n% d1 [the last part is 1ball vs 1ball! something like that |