divde the 12 balls into 3 sets of 4.
! T. b$ G( J5 r" K0 ?公仔箱論壇weight any 2 sets.
) K$ [0 A; i7 W& x# x, L7 R5.39.217.76if the 2 sets are equal, then you know the heavy one is in the third9 D7 A, d3 `/ H6 @4 F7 ^
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb5 o5 E2 f0 X7 E9 |
then divide the 4 balls into 2.
s# z& z$ W6 w% @weigh them
+ u( Y2 C/ s3 E1 `2 `tvb now,tvbnow,bttvband divide the heavier into 1
5 o, p/ H; h8 O$ nTVBNOW 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。and weight them.5.39.217.76( _( `; y2 d( p* n; _' z" v
3 x weighing and get the ans. 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。+ Q/ ?5 J' j. b! w
in less than 15 secs. |