Divide 3 groups first.tvb now,tvbnow,bttvb3 l+ T' B& Y j+ M) ^: D
i.e. 4 x 4 x 4.
& Q7 c# h# S) ytvb now,tvbnow,bttvbWeight any 2 groups [1st]
8 B" \; w7 a+ \3 A2 ~: hthen you will know the heavier ball in which group.
3 k+ l L- @9 gWeight any 2 balls in that group [2nd]/ H8 J4 d! u* @# P. [3 K2 O
then you will know the heavier ball in which 2 balls.
& v6 |. i! ]5 Q. [5 d+ w5 qTVBNOW 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。Repeat again in remainders [3rd]
]! D* g' f" h6 D7 j9 Dtvb now,tvbnow,bttvbGot the heavier ball. |
發表於 2009-7-2 12:48 PM
| 
