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。4 L, W. `7 o( q+ g% B
ans is too long! but concepts are something like that:www2.tvboxnow.com# g" {' |5 N5 w% U9 N5 |
seprate 4 groups 3 balls in one group! tvb now,tvbnow,bttvb0 `7 m4 `% P$ V( O; W
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!www2.tvboxnow.com( [' ?2 ^7 Z& V' }' H8 m
the last part is 1ball vs 1ball! something like that |