take 4 balls as a group, 3 groups - A B C
6 c& V7 C5 ~7 l' ^' C5.39.217.77weigh A & B (ex. B heavier)* {" r# K! w8 @* |# m, D& ^; y
then weigh B & C (B & C same weight)
2 z6 y( b! H$ tTVBNOW 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)公仔箱論壇7 B7 Y. y3 M5 A: a# _
heavier or lighter) w$ I' l0 f- e7 X) c, }) T
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.77' K7 k6 w5 H& v/ A8 _
measure E vs F to find which 1 is lighter.... |