divde the 12 balls into 3 sets of 4. ) k3 b$ E6 G4 l2 a) a3 G
weight any 2 sets.
( @- {/ w8 T4 aif the 2 sets are equal, then you know the heavy one is in the third! X$ w. O5 \+ J. Y
if one of the 2 is heavier, then the heavy one is in that set
& _2 B+ Z" ?/ xthen divide the 4 balls into 2.5.39.217.769 c6 ?4 E* q0 K: B0 ?
weigh themtvb now,tvbnow,bttvb# k8 u/ f5 G) T0 d4 B. B+ \% _. p3 a
and divide the heavier into 1
. \; h2 z' }' e* E; Z! r. }: S: }公仔箱論壇and weight them.
. L+ D ]9 Y8 O) QTVBNOW 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 x weighing and get the ans.
( u7 P" k& x# _; m0 M+ Otvb now,tvbnow,bttvbin less than 15 secs. |