easy, one minutes i solve the problem
7 b# }$ Q K/ ?2 O: b+ t) Tdivide into half, mean 6/ 6
, t1 z4 _9 p9 h: qtvb now,tvbnow,bttvbtake the heavier 6 ping pong
1 d: i: V$ P. @2 Rdivide into 3/3, take the heavier 3
R3 r3 B# M: J9 u a0 NTVBNOW 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。take the the other 3 that have the equal weight, switch each to measure, the most important things is labeling the ping pong so that we can recognize |