easy, one minutes i solve the problemTVBNOW 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。; w" |& t' C/ d3 P
divide into half, mean 6/ 6
. P7 K0 P$ T1 D$ ?tvb now,tvbnow,bttvbtake the heavier 6 ping pong
" `% i3 d4 I. G8 C6 t& _) }$ ytvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
4 u6 J3 {( G- N) N* |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 |