take 4 balls as a group, 3 groups - A B C0 z& K+ C5 g) J) p0 m% I3 T
weigh A & B (ex. B heavier)
( Q4 b d3 Q. W9 v/ l$ b$ m _then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb$ T, f3 M3 l5 V4 A
to find which group has the weight difference and find out is it (A is lighter)
) T! ]; @& n' M, F1 H( I s公仔箱論壇heavier or lighter
) X3 u* y0 j+ \: R6 ~9 a# }TVBNOW 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)
: K, _# A/ H$ D E, a, ~2 Zos.tvboxnow.commeasure E vs F to find which 1 is lighter.... |