i found the ans in 30 mins but dont know correct or not?
) M7 o% f" x6 M: V9 e# d5.39.217.76ans is too long! but concepts are something like that:
1 @- M) M! J) j+ M/ k* p& c' ?4 Btvb now,tvbnow,bttvbseprate 4 groups 3 balls in one group! ' T3 w2 a. Y8 Z5 e8 \
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!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。$ E4 E; U P2 m& T# |8 m" m
the last part is 1ball vs 1ball! something like that |