i found the ans in 30 mins but dont know correct or not?. h) }' e5 e# {: S& X6 p, }' ?
ans is too long! but concepts are something like that:公仔箱論壇) k9 N8 K9 X. y( N3 _9 Q; ]# [% e
seprate 4 groups 3 balls in one group! + G4 O0 ^' g ^0 `: _' q
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!
3 Q# ~& x" r" F( i7 wTVBNOW 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。the last part is 1ball vs 1ball! something like that |