take 4 balls as a group, 3 groups - A B C公仔箱論壇( j* d! R2 ?- r3 D- \& c2 @( s
weigh A & B (ex. B heavier)
: S! Y/ F3 O. Jthen weigh B & C (B & C same weight)
7 {9 G$ E- g3 r7 D2 P: ?, W公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)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。/ m( O* v4 [! y* K/ |. `
heavier or lighter
1 n* Y. Q* r& P" u& ^$ |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)
( Q% c( v- v B3 J7 _公仔箱論壇measure E vs F to find which 1 is lighter.... |