divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb E& V( `7 l: F' l0 S
weight any 2 sets.
3 \7 Z* L1 C8 J1 i8 Y, n5.39.217.76if the 2 sets are equal, then you know the heavy one is in the third
7 j. ~) R7 p6 R, d! F$ Ftvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
- v) I' |9 K8 T- ^0 v# s8 Fthen divide the 4 balls into 2.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。7 b6 A5 u/ t- I0 M4 o- i
weigh them) r4 H8 ^' B3 K8 A, d. V
and divide the heavier into 1TVBNOW 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。5 {6 ]) A" {9 N& ~
and weight them.( u) F9 u) j$ e. G, R5 s. Y$ ^0 M& ]
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。/ g3 y6 u2 e+ S/ V
in less than 15 secs. |
發表於 2007-2-27 09:10 PM
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發表於 2007-2-28 12:16 AM
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