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All-night mathematics
1796 One day, at the University of G? ttingen in Germany, a 19-year-old young man was extremely talented in mathematics. After dinner, he began to do three routine math problems assigned to him by his tutor.

The first two questions were successfully completed in two hours. The third question is written on another small piece of paper: it is required to draw a regular 17 polygon with only a compass and an uncalibrated ruler.

He felt very tired. Time went by, but there was no progress on the third question. The young man racked his brains, only to find that all the mathematics knowledge he had learned didn't seem to help him solve the problem.

Difficulties aroused his fighting spirit: I must do it! He picked up the compass and ruler, and while thinking, he drew on the paper, trying to find the answer with some unconventional ideas.

When the dawn appeared, the young man breathed a sigh of relief and finally finished the problem.

When he met his mentor, the young man felt guilty and blamed himself. He said to his tutor, "The third question you assigned me, I worked all night and failed to live up to your cultivation ..."

When the tutor looked at the students' homework, he was immediately shocked. He said to the young man in a trembling voice, "Did you make this yourself?" The young man looked at the tutor doubtfully and replied, "I did it." But I spent the whole night. "

The tutor asked him to sit down, took out the compass and ruler, spread the paper on the desk, and asked him to make another regular 17 polygon in front of him.

The young man quickly made an inverted polygon of 17. The tutor excitedly said to him, "Do you know? You solved a math unsolved case with a history of more than two thousand years! Archimedes didn't solve it, Newton didn't solve it, you solved it in one night. You are a genius! "

It turns out that the tutor has been trying to solve this problem. That day, because of his mistake, he handed the note with this topic to the students.

Whenever the young man recalls this scene, he always says, "If someone tells me that this is a math problem with a history of more than 2,000 years, I may never have the confidence to solve it."

This young man is Gauss, the prince of mathematics.

He also regarded it as a masterpiece of his life and told him to carve the regular heptagon on his tombstone. But later, his tombstone was not engraved with a heptagon, but with a 17 star, because the sculptor in charge of carving thought that the heptagon and the circle were too similar, and everyone must be confused.