take 4 balls as a group, 3 groups - A B C
$ y7 C& E7 p% @3 p* _9 sweigh A & B (ex. B heavier)7 b; m$ P2 ^6 j& u: X
then weigh B & C (B & C same weight)
5 W" B) D4 G" M* R* l' Rto find which group has the weight difference and find out is it (A is lighter)
- Q {: T' S0 X公仔箱論壇heavier or lighter
! k! s" {0 ?0 I/ m公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter), Z: ^# {9 I( P! j
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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