easy, one minutes i solve the problem
6 j9 Q) K. f c: Z8 L, gTVBNOW 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。divide into half, mean 6/ 6
6 l4 [. t8 H) u) W: v; I* @take the heavier 6 ping pong5.39.217.77:88984 I3 n$ L; L* E7 @' G
divide into 3/3, take the heavier 3
; a: C, ?3 \! d k8 @8 atake 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 |