easy, one minutes i solve the problem
, w7 }. R( r! e& ?/ |$ u! P公仔箱論壇divide into half, mean 6/ 66 H9 D. h0 V3 _6 _2 B
take the heavier 6 ping pong
* r) O" R6 ?$ v; j- Qdivide into 3/3, take the heavier 3
. i( g( v q6 J4 J0 @5.39.217.77:8898take 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 |
發表於 2009-2-8 08:11 PM
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