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yi~,我的意思是,

tutu (lazy tutu)
因为这种情况下,第二次使用天平时已知该小球是比别人重还是轻了,假设是轻.

把1,2,3中任两个放上天平两端,假设1号和2号, 如果1=2,那么是3号,
如果1<>2, 那么就是轻的那个.

看起来好象咱们说的是一个意思嘛!

对吗?谢谢!
(#48504@0)
2001-4-18 -04:00
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