take 4 balls as a group, 3 groups - A B C
9 \8 B ~* [2 C! {weigh A & B (ex. B heavier)
' j4 x) X `' ]: h, ]tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)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。6 U, j6 K. H$ I! M& D
to find which group has the weight difference and find out is it (A is lighter)
" R* `" j. _9 Dtvb now,tvbnow,bttvbheavier or lighter
" p% A9 O+ {; V) m. Dtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)3 M2 c: M3 F6 m& ]7 N/ C7 E- C; E
measure E vs F to find which 1 is lighter.... |