Analysis of problem-solving ideas;

According to the meaning of the question, only two eggs can be fried at a time.

Then fry two eggs first, and fry the front of these two eggs, which takes 1 minute.

After frying, turn these two upside down, take one and put in the third egg.

1 minute later, the first egg was fried.

At this time, the reverse sides of the other two eggs can be fried 1 min.

* * * three minutes in total.

Extended data:

This kind of problem belongs to the problem of time planning in mathematics, and the key to solve this kind of problem is:

1, "homework" and "matters" should be considered comprehensively, and they should not be omitted, so as to avoid disjointed work.

"Operation" refers to the process from the beginning to the completion of a job; "Event" refers to the intersection of the first and second jobs.

2. When a certain work link is numerous and extremely complicated, it should be completed with the help of high-speed operation of electronic computer.

3. When reasonably arranging all aspects of work, we should start with the activity with the longest working time in the synchronous operation.