"What are the uses of mathematics?"
It was Teacher Mo's first time teaching a class, so he was a little nervous. Fortunately, other than Li Gaoming, everyone was familiar with him, so Meton relaxed a lot.
"For the exam?" Cheng Chumo raised his hand and uttered a famous saying.
"Uh uh!" Meton was speechless.
"Accounting!" Zu Mingjun suggested a practical use.
"Accounting is indeed a very important use of mathematics." Meton nodded.
"However, the use of mathematics is not limited to this. Once you learn mathematics, a general can calculate the marching speed of an army, the time of battle, the amount of food needed, and even the situation of the enemy. How can a general like this not win a war?
You can calculate the taxes of a country, the expenditure of taxes, and through auditing the accounts, you can fight against corrupt officials, and govern the country reasonably. Commoners can calculate and record the expenses of their families. Even street vendors have to learn mathematics on their own. Mathematics runs through everyone. "
"We are always dealing with mathematics. Mathematics is very important, and I like mathematics more than any other subject! Today, I will not only teach you mathematics, but also the spirit of mathematics.
In mathematics, every number is fixed and does not allow for any change. One plus one equals two, not three, not any other number. Mathematics is such cold numbers, rigid and rigid. It will tell you the naked truth. You can not believe in anyone or anything in this world, but please believe in mathematics. In this world, anyone can lie to you, but mathematics cannot. Once you learn mathematics, you will have the right to see the truth. "
Meton's words made everyone ponder, especially Li Gaoming, whose eyes were shining.
Even Qin Huaiyu and the other two who were originally preparing to be bystanders, couldn't help but sit up straight and listen seriously.
"The School of Mo's mathematics is different from the ten classics of mathematics that you usually learn! Everything is based on these ten numbers, one, two, three, four, five, six, seven, eight, nine, these ten numbers. "
Meton picked up a charcoal pencil and wrote these ten numbers on a wooden board.
Looking at the black ash on his hand, Meton secretly made up his mind to get the chalk out as soon as possible. After all, the process was very simple.
"We've all learned this before!" Yuchi Baolin said doubtfully.
"Is that so?" Meton smiled. "What about these ten numbers?"
Meton wrote under the blackboard, "0123456789."
"This is also a number? Don't tell me it's scribbles! "Everyone was confused by the crooked Arabic numerals.
"Meton, don't tell me you went to learn witchcraft! It's just scribbling, isn't it? "Qin Huaiyu giggled.
"These are numbers, but they are Indian numbers?" Li Gaoming suddenly asked.
Meton looked at Li Gaoming in surprise. He didn't expect him to know that these numbers were indeed Indian numbers. However, they were later spread around the world by Arabic merchants and were respectfully called Arabic numerals.
"These are indeed Indian numbers. Brother Gaoming is so knowledgeable. This is the essence of mathematics that the School of Mo painstakingly went to India to learn!" Meton shamelessly flattered the School of Mo.
Meton casually wrote a few sets of numbers on the blackboard with Chinese characters. He also used the numbers to write down the meaning. The five of them had a certain foundation in mathematics and easily understood.
If they didn't compare, they wouldn't have known. Arabic numerals had a very obvious advantage in large-scale calculations. Moreover, it was easy to learn and understood at a glance.
"Isn't this too convenient?" Qin Huaiyu was very interested. If mathematics was like this, he would have learned it a long time ago.
"The School of Mo's ancestors are indeed admirable. I heard that a few years ago, there was a senior monk called Xuanzang who made a great vow to go to India to seek the sutra. I didn't expect that the School of Mo's ancestors had already obtained the sutra from India." Zu Mingjun was pleasantly surprised.
"Uh, uh!"
No matter how thick-skinned Meton was, he couldn't help but blush a little. He mumbled a few words and silently admitted it. In his heart, he apologized to Xuanzang for sharing the glory of his journey to the west.
Meton taught the five of them simple addition and subtraction again? The five of them couldn't help but exclaim in surprise. Compared to the calculations in the sutra, this was simply too convenient.
Zu Mingjun was even more intoxicated as he immersed himself in the calculations.
"Today's class will end here." Meton let out a long sigh of relief and interrupted the five of them who were reluctant to part with their practice.
The five of them reluctantly put down the quill pen in their hands. They found that using quill pens to write Indian numbers was much simpler and faster. They couldn't write with a brush no matter how hard they tried. Thus, they all switched to quill pens. This could be considered the first expansion of the quill pen!
"Brother Mo is very magnanimous. For you to be able to teach us the secrets of the Mohist School of Mathematics, this one can't thank you enough." Li Gaoming said sincerely.
Zu Mingjun also thanked Mo Fan profusely. In comparison, the Mohist School of Mathematics was much better than the Zu Family's. Just a single Indian number was enough to make Zu Mingjun unable to compete with Mo Fan.
"You're too kind!" Meton said humbly.
After all, the six of them were still teenagers. They didn't have many rules. Very quickly, they got along well and had a lot of fun.
Unknowingly, it was already time for dinner. Meton asked Zu Mingjun and Li Gaoming to stay for dinner. As for Qin Huaiyu and the other two, they were guests that couldn't be chased away.
"Then it would be impolite to refuse! I've heard that Brother Mo's steamed buns are extremely delicious. I've always thought that the Mohist School of Cuisine must have its own unique points. "Li Gaoming said heartily.
"Then you guys are in for a treat. Today, my Uncle Yu is here. He's the best at cooking fish. I heard that when he was in the army, even the current emperor praised his cooking skills. "Meton said.
"Oh! Then we'll have to give it a try. "Li Gaoming laughed.
Since Li Gaoming had already agreed to stay, Zu Mingjun didn't act modest and also stayed.
"The fish is here!" Master Yu brought the fish that he had cooked to the table. There was pickled fish, braised fish, steamed fish, and a few side dishes. In front of everyone was a bowl of fragrant rice. However, there were three big bowls. Obviously, they were reserved for Qin Huaiyu and the other two.
"Young Masters, please enjoy!"
After Master Yu left, Meton pulled over a chair that Old Zhang had specially made for him and invited them to take a seat. The table was still the same round table that was unique to the Mo Family Village.
"This table and chair is quite unique!" Li Gaoming looked at the round table and leaned back in the chair. He found that the chair was just enough to support his waist. It was very comfortable.
"The Mohist School of Cuisine doesn't have any rules. Just do whatever is comfortable." Meton was very uncomfortable with Tang Chao's habit of eating while kneeling. He couldn't do anything about it outside, but in the Mo Family Village, he changed all the tables and chairs. In any case, he used the Mo Family Village as an excuse, so it didn't seem strange.
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