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。! J2 ]4 d+ D& x: B
divide into half, mean 6/ 6tvb now,tvbnow,bttvb$ C9 ?# {; v) j# Q( \: T% P% |7 @1 Y
take the heavier 6 ping pong
( ~( t$ q: F# e( D5 ?) M. F& [divide into 3/3, take the heavier 3tvb now,tvbnow,bttvb' {9 p" z5 s$ ^" h3 z; H. ~& N3 I
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 |