easy, one minutes i solve the problem
7 E$ d/ F" A( a3 n. fdivide into half, mean 6/ 6
" f! j: \& [! W: Htake the heavier 6 ping pongTVBNOW 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。: V3 M/ g( Z( d+ q5 U
divide into 3/3, take the heavier 3
: q. H& d" C, o/ ytake 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 |