×

Loading...

1.divide the 12 balls into 2 groups (6 a group). Weigh the first time. discard the lighter group. 2. divide the 6 into 2 groups (3 a group), weigh the second time. discard the lighter group.

albxu (Yukon)
3. pick up any two balls, weigh the 3rd time. If they are equal, the one not picked up is A. If not, the heavier one is A.
(#48159@0)
2001-4-18 -04:00
This post has been archived. It cannot be replied.
Page address has been copied. To share, click to copy page address.
Share Online by QR Code

Back To Topic: 智力题

Back To Forum: HOME枫下论坛枫下论坛主坛枫下沙龙休闲娱乐