take 4 balls as a group, 3 groups - A B C
+ c: P1 z9 h; Q1 U. @1 pweigh A & B (ex. B heavier)公仔箱論壇4 b+ b q: N9 `9 p! {/ d
then weigh B & C (B & C same weight)# D7 d2 S1 A' g
to find which group has the weight difference and find out is it (A is lighter)
; ~7 S H5 q$ K# X6 m/ w5 ^heavier or lighter公仔箱論壇4 K/ H' ]% ]+ q" g- A! u2 N% K
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
8 u, J; I4 o1 L: kTVBNOW 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。measure E vs F to find which 1 is lighter.... |