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。) c6 e7 m( {) n- R2 s
ans is too long! but concepts are something like that:
9 V: H& c& I0 Utvb now,tvbnow,bttvbseprate 4 groups 3 balls in one group!
3 @/ D3 F- R; |( Y1 q1 cthe 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!
2 ?! l, J& k( y7 D5 K) Htvb now,tvbnow,bttvbthe last part is 1ball vs 1ball! something like that |