take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb4 H8 n7 ` N' Q# s1 @! W0 F d* @
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb- g4 M: f% i4 q8 B
then weigh B & C (B & C same weight)
& C% d6 |/ \6 Ito find which group has the weight difference and find out is it (A is lighter)公仔箱論壇' i, ~$ K' e% {- m' t2 V6 G, Z
heavier or lighter
3 T6 r9 e% Y3 n& @( N1 R HTVBNOW 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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 ]$ J; W9 {* z0 Q' O3 \4 Gmeasure E vs F to find which 1 is lighter.... |