take 4 balls as a group, 3 groups - A B C
@! e2 J4 _8 I+ ctvb now,tvbnow,bttvbweigh A & B (ex. B heavier)% \3 g; \, Y& D' I: w+ `, T) ?
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb+ T7 O7 i0 E4 p9 y; r
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。5 n% \7 N; _/ D- {# I, ]
heavier or lighterTVBNOW 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。3 ]' w: h0 o" B+ F' Q
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb% U- z+ U' n( W( G; B) u9 @6 e/ f T
measure E vs F to find which 1 is lighter.... |