easy, one minutes i solve the problem
1 U, ?, s- K5 A, Z/ P/ ~tvb now,tvbnow,bttvbdivide into half, mean 6/ 6
9 r7 x1 s _/ Xtake the heavier 6 ping pong( X! ]$ U6 m0 @) L9 P1 g
divide into 3/3, take the heavier 3
5 [' A" L* @1 [* stake 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 |