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。9 t% d9 X& j' `: e& o" l
divide into half, mean 6/ 6
d/ |+ A1 F! p; R. h( i7 \' N# u2 a+ \take the heavier 6 ping pong0 n. W8 \$ t. y( {% M s
divide into 3/3, take the heavier 38 {) d# Z1 V7 b
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 |