1. divide 6 and 6, both sides will not equal 7 F+ l5 t: }' @1 f公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equal 4 h% o4 i' w! g# M4 H3. take any 2 and weigh themtvb now,tvbnow,bttvb2 A' S: T- w0 b8 s1 H
if they equal, the one left is the ball.
發表於 2007-6-16 08:33 PM
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