this is too easy!!
* I0 {" f+ K9 M% \% V
+ D9 I0 u: V+ c: x7 X$ ltvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier' P v6 H2 g: }( C
2. put 3 at each side.. also take the heavier side' I2 J( f1 N7 z, D! a
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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