Divide 3 groups first.5.39.217.766 M+ j* D2 C* z5 Q1 j& Z3 y$ a1 E
i.e. 4 x 4 x 4.
1 c1 o1 f. A/ m" V. Otvb now,tvbnow,bttvbWeight any 2 groups [1st]
6 ~3 }$ v/ Q" K4 D& o+ N! v5 _5.39.217.76then you will know the heavier ball in which group.
5 Q* t/ A7 Y! Y6 `! c5 ttvb now,tvbnow,bttvbWeight any 2 balls in that group [2nd]
! z5 I. d) s/ F1 ?. v& T* ethen you will know the heavier ball in which 2 balls., r9 }. Y4 ]* S6 n! g
Repeat again in remainders [3rd]
+ I8 o) P) g. ]; V4 o5.39.217.76Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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