take 4 balls as a group, 3 groups - A B C2 w- S* R" Q6 J2 h' z
weigh A & B (ex. B heavier)
( ^2 {/ q' f+ }3 ^# o# b* p/ K3 I公仔箱論壇then weigh B & C (B & C same weight)
O2 h$ N3 I: _ a- O2 I$ |to find which group has the weight difference and find out is it (A is lighter) |) _! x" C& l! @4 ]
heavier or lighter
3 l' f( P9 b6 k" [8 {5 Cwww2.tvboxnow.comthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
/ E5 o" V2 ^, V& f: l, L: j) uTVBNOW 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.... |