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。5 t: T% V7 m0 g) Z9 f7 [7 A
divide into half, mean 6/ 6: b6 b9 y% t% Z# c
take the heavier 6 ping pong
5 V$ R* ^; O0 |! Adivide into 3/3, take the heavier 3公仔箱論壇( f, ~* l: N; J& L X8 U9 L! g
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 |