easy, one minutes i solve the problem5 Y3 S7 p, a* W$ R% S$ m! E) m
divide into half, mean 6/ 6
% R7 ]( A1 V/ r1 s( {. d7 ztake the heavier 6 ping pong
! d+ v& o! a- Rwww1.tvboxnow.comdivide into 3/3, take the heavier 3
' @, H* r, [4 B+ o& N" |/ s1 f0 Ttake 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 |