take 4 balls as a group, 3 groups - A B C* V0 T4 O* L/ m! t* C+ e9 Y
weigh A & B (ex. B heavier)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。9 H5 Y) }3 a) k9 B8 S5 K5 S$ V" e
then weigh B & C (B & C same weight)
6 l6 e: b) F8 c* x* Jto find which group has the weight difference and find out is it (A is lighter)
8 g2 I% m& q' T7 e! K) _# G0 J' zheavier or lighterwww.tvboxnow.com. \1 a) N. {, z# g5 L
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)) @& r6 ?3 S2 d/ x
measure E vs F to find which 1 is lighter.... |