Divide 3 groups first.
[1 }9 H4 E9 s! F$ ~6 _9 ^www3.tvboxnow.comi.e. 4 x 4 x 4.
6 I% U9 ~7 o" W3 T& gtvb now,tvbnow,bttvbWeight any 2 groups [1st]
+ M6 P( s5 F" Z% C( W& [9 M/ }then you will know the heavier ball in which group.www3.tvboxnow.com# L+ q$ d. m5 S& i& i5 k) [! x! }6 c
Weight any 2 balls in that group [2nd]
- r. ^6 c4 j& d+ k7 ?6 ?then you will know the heavier ball in which 2 balls.www3.tvboxnow.com5 Y8 B; N( J1 Y8 {
Repeat again in remainders [3rd]
) K g0 L! q9 g) P公仔箱論壇Got the heavier ball. |