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.