take 4 balls as a group, 3 groups - A B C
) R/ ?9 q7 t1 \5 h% m! `公仔箱論壇weigh A & B (ex. B heavier)
+ p8 q g2 A/ C: B# P5 \' A5.39.217.77:8898then weigh B & C (B & C same weight)
" w3 K! o. ~* s& P/ `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。to find which group has the weight difference and find out is it (A is lighter)
5 W6 J7 j4 ]/ U( i" F- I5.39.217.77:8898heavier or lightertvb now,tvbnow,bttvb8 o; R$ Q4 _4 x+ l% Q
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
& O7 A: D- U3 L5 bmeasure E vs F to find which 1 is lighter.... |