take 4 balls as a group, 3 groups - A B CTVBNOW 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 K: d; G' @- t+ B# P# e F* ]
weigh A & B (ex. B heavier)
' h$ [& I: o9 A E/ s7 F: YTVBNOW 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 weigh B & C (B & C same weight)* ^7 A. l; z0 A$ x
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。7 n6 i5 |5 D" ~1 g. B( |8 l9 \5 m
heavier or lighter
" @: t, f& k) `7 w f, s" Qthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)www1.tvboxnow.com4 W1 \3 f9 C, Z- `; o% ]
measure E vs F to find which 1 is lighter.... |