0 1 Suppose there is a pond with infinite water. At present, there are two empty kettles with a capacity of 5 liters and 6 liters respectively. The problem is how to get 3 liters of water from the pond with only these two kettles.

Zhou Wen's mother is a chemist in Yulin Cement Plant. One day, Zhou Wen came to the laboratory to do his homework. I want to go out to play when I'm done. "Wait a minute, mom will test you on a topic," she continued. "Look at these six test glasses. The first three are all water, and the last three are just empty. Can you just move 1 cup and separate the cup filled with water from the empty cup? " Zhou Wen loves to think, and is a famous "cleverness" in the school. She just thought about it for a while and then did it. Please think about it, how is "cleverness" tempered?

There are two prisoners in the cell. Every day, the prison will provide this cell with a can of soup for two prisoners to share. At first, these two people often have arguments, because one of them always thinks that the other has more soup than his own. Later, they found a way to kill two birds with one stone: one person divided the soup and let the other person choose first. In this way, the dispute was settled. However, now there is a new prisoner in this cell, and now three people will share the soup. New ways must be found to keep the peace between them. What should I do? Press: Psychological problems, not logical problems.

04 guessing cards Mr. S, Mr. P and Mr. Q know that there are 16 playing cards in the drawer of the table:

Hearts a, q, 4

J of spades, 8, 4, 2, 7, 3

Caohua k, q, 5, 4, 6

Seats a and 5.

1. Pour from full 6 to empty 5, leaving 1 liter. Pour this 1 liter into 5 Li, then fill it with 6 and pour it into 5 Li. Because there is 1 liter in 5 Li, 6 can only pour 4 liters into 5 Li, then pour the remaining 2 liters into the empty 5 Li, and then pour 3 liters into 5 Li after filling 6 Li.

2. Set the number of cups as ABCDEF, ABC as full and DEF as empty. Just pour the water from B into E. ..

3. Let Party A share the soup. After the soup is divided, Party B and Party C choose the soup for themselves in any order, and leave the remaining bowl to Party A ... In this way, the sum of B and C must be the maximum they can get. Then mix their soup and divide the soup again according to their method.

4. Area 5