take 4 balls as a group, 3 groups - A B C
( a; w U' g" _; ^' z' ]8 V7 B/ D5.39.217.76weigh A & B (ex. B heavier)
) P |3 a) o/ fthen weigh B & C (B & C same weight)
: P5 T, A1 i$ K) eTVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)
/ n4 {; o9 e7 v: s4 u5.39.217.76heavier or lighter
; G" U' E8 M0 @8 Z6 K6 `9 [2 {5 I& Kthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.76, l6 s5 X1 a l, X/ ^
measure E vs F to find which 1 is lighter.... |