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What does 25 mean?

In mathematics,

25 is a natural number, even number and composite number between 249 and 251.

25 is pronounced as: 25, capitalized as two hundred and fifty

● In daily life, people often call people who are not serious, do things carelessly, make a fool of themselves and have stupid heads "25". The source of this title, however, has many versions.

statement I: it originated from the story of the warring States period.

During the Warring States Period, there was a lobbyist named Su Qin, who was wearing the seal of the Six Kingdoms. He was very powerful for a while, but he also made many enemies, and was finally killed in the State of Qi. The King of Qi was very angry and wanted to avenge Su Qin, but he couldn't get the murderer at the moment. So he thought of a plan to have Su Qin's head cut off from the body and hung it on the city gate, with a placard next to it saying, "Su Qin is a spy, and he killed him with a thousand taels of gold. I hope to get a reward." As soon as the poster was posted, four people claimed to have killed Su Qin themselves. The King of Qi said, "This is not allowed to be faked!" All four people insisted that they did it themselves. King Qi said, "1 taels of gold, how much do you get for each of the four people?" Four people replied in unison: "One person is 25." The king of Qi was furious and said, "Somebody, push these four' 25' s out and behead them!" The word "25" was handed down like this.

statement ii: originated from folklore.

once upon a time, there was a scholar who forgot to eat, sleep and study hard in order to gain fame, but he never won the promotion in his life, and even had no son. In his later years, the old scholar was finally disheartened and indifferent to fame and fortune. Instead, he was happy with his son and added two talents. The scholar recalled the success or failure of his life and couldn't help feeling deeply, so he named his two sons: one was called success and the other was called failure. Since then, the scholar has been studying behind closed doors at home, and his life has been happy. One day, the scholar told his wife, "I'm going to the market. You urge the second son to write at home. The eldest son writes 3 and the youngest son writes 2." After the scholar came back from the fair, he asked his second son how he studied hard at home. The old wife replied, "I wrote it, but it was not enough, and it was more than enough. Both of them were 25!"

statement iii: from an official position in the Tang dynasty.

Jing Zhaoyin, the "mayor" of Chang 'an in the Tang Dynasty, was very powerful and had a huge ceremonial team when he went on patrol. The official name of the beadle who opened the way at the front was Wu Bai, and he was holding a long pole in his hand to drive out the pioneers. Later, "Wu Bai" was increased to two, but Chang 'an people didn't call them two Wu Bai's, instead they called them * * * Wu Bai, so a single Wu Bai was dubbed as two hundred and fifty, and because each of them held a long pole in his hand, they were also called two poles. Today, two hundred and fifty and two poles are synonymous with reckless, rude and rude people.

statement Ⅳ: monetary unit of measurement originated in China.

The above three are just legends, and the more well-founded statement comes from the monetary unit of measurement in China. According to a Chinese book in a middle school, in the past, 1 taels of silver were one ingot, 5 taels were one letter, 25 taels were "half sealed" and homophonic "half crazy". After a long time, people gradually use "25" (half crazy) to describe those stupid and reckless people.