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Chapter 36 Extracurricular Homework (Part 2)

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    Seeing the reaction of Chen Laoshi and his wife, Chen Wanrong couldn't help but smile. If they knew that they had read many more books than Chen Zairong, they would definitely not be so shocked.  It's no wonder that a person who has never been to school and is illiterate can have such insight and guide a smart person like Chen Zairong on a couple. Another person would be as surprised as Chen Laoshi and his wife.

    "Wan Rong, can you still play right? How long did you learn it?" Chen Wang was the first to wake up.  The shock was so extreme that her throat went dry and her voice became much shriller. It had lost its usual gentleness and sounded a bit harsh.

    "Mom, let me just mention a few words. It's all because of Zai Rong's cleverness. I thought of it myself." Chen Wanrong decided to use humility to ward off the sloppy.

    The ancients regarded couplets as a kind of knowledge, but we modern people talk about them for fun and enjoy themselves.  For example, "boys, girls, poor scholars, life and death; first love, passionate love, extramarital affairs, reluctant to leave", "The wind is blowing, the rain is falling, I am waiting for your call back; I will live for you, die for you, and wait for you all my life."  , Chen Wanrong also participated in many such funny couplets.  Although he can't go to the elegant hall, at least he can hone his intelligence and have fun. Coupled with his extensive knowledge, he has lived in the society for many years and has seen a lot about the world. When he heard Chen Zairong talk about it, he thought  Out.

    On the other hand, Chen Zairong is only sixteen years old, not deeply involved in the world, and doesn¡¯t know much about the ways of the world. It is indeed too difficult to make such a match.  However, he was very smart. He thought of it as soon as Chen Wanrong mentioned it. Chen Wanrong's words were not unreasonable. Chen Laoshi coughed dryly and scolded Chen Wang: "Why did you say that? Wanrong didn't read it.  Can't you make a right pair if you have passed the book? If you have never eaten pork, you have never seen a pig running?"

    Mrs. Chen Wang rolled her eyes at him: "You know, show me the answer."

    "You go to heaven, I go to earth, I'm right." Chen Laoshi blurted out without even thinking about it.

    This was pure nonsense, but it made Wang Chen laugh so hard that he burst out laughing and pinched Chen Laoshi on the back.

    Chen Wanrong told Chen Zairong: "Zairong, Mr. Wu wrote this couplet to tell you that knowledge is everywhere, pay attention to everything, and your knowledge will improve."

    "Yeah! Brother, I understand." Chen Zairong nodded fiercely, very excited.  After thinking for a while, he said: "Brother, can you do math problems? Mr. Wu also gave us a math problem, but I didn't think of it." He looked at Chen Wanrong expectantly.

    ?????????????????????????????????????????????? together out out to try to ask Chen Wanrong for help, but did not expect that under Chen Wanrong's advice, he really got it right. Chen Wanrong couldn't help but be very excited, and decided to ask Chen Wanrong for help again.

    For a scholar like Wu Jing, who is knowledgeable and has a wide range of knowledge, it is normal for him to be able to do math, and Chen Wanrong is not surprised at all.  Although he had never met Wu Jing, Chen Wanrong admired his character very much. Naturally, he wanted to know what the question he asked was, and asked: "What question?"

    Upon hearing this, Chen Zairong couldn't help but feel happy: "Brother, this is a math problem for monks. The majestic ancient temple is in the mountains, and I don't know how many monks there are in the temple. There are three hundred and sixty-four bowls, and they happen to be used up. There is no need to fight over them. The three of them have no problem.  Let¡¯s share a bowl of rice and a bowl of soup among the four of us. Sir, if you can count, how many monks are there in the mountain temple?¡±

    Our ancestors had profound literary skills. They used all the rhymes and rhythms in their math problems and poems. They read so catchy that they seemed to be reading Tang poetry. They sounded so sweet that it was hard not to admire them.

    "Mr. Wu has a broad mind!" Chen Wanrong praised Wu Jing full of praise.

    Chen Zairong was sixteen years old, which is equivalent to our current junior high school students. Moreover, he studied poetry and calligraphy, not specializing in mathematics. This is equivalent to our current liberal arts students.  This question is a linear equation of one variable, which is very suitable as a thinking question for a junior high school liberal arts student.

    In this situation, it is very embarrassing to stump others. With Wu Jing's knowledge, he could even ask questions ten times more difficult than this, but he did not ask more difficult questions to show his talent.  Instead, he came up with a suitable question, and Chen Wanrong admired his broadmindedness.

    Chen Zairong fell in love with Wu Jing. Although he didn't understand why Chen Wanrong praised Wu Jing, he still agreed with Chen Wanrong from the bottom of his heart: "Who can say otherwise?"

    Chen Wanrong began to solve the problem: "Three of these monks eat one bowl of rice, and four people drink one soup. So how many bowls does each monk use?" Chen Wanrong has already calculated the answer. In order to hone Chen Zairong's thinking ability  , Chen Wanrong did not report it at once.

    Chen Zairong rolled his eyes for a while, and then hesitantly said: "Thirty-one plus four-one is seven out of twelve. Brother, is there such a bowl?" Three-one is one-third of our modern age, and four-one is four.  One part, seven-twelfths is seven-twelfths, the ancients had no idea of ??fractions.

      In his imagination, one person can only use one bowl for eating, so there is no use for seven-twelfths of the bowl. This is the key to this question. Chen Wanrong explained to him: "You don't want to  As a matter of life, this question requires a ratio.¡±

    As soon as this corner was turned, other problems were solved. Chen Zairong excitedly grabbed a piece of firewood, wrote the word "some" on the ground, and then wrote seven out of twelve in front of the word "some".  The next step is to put a certain character on the left, put three hundred sixty-four and seven-twelve on the right, do some calculations, and write "six hundred and twenty-four" on the ground.

    Our ancestors also used unknown numbers to solve problems, but instead of the xyz we are familiar with, they used so, so and so, so and so. Chen Zairong's so is equivalent to the unknown x that we use now.

    The answer was exactly six hundred and twenty-four. Chen Zairong was very excited. Looking at the words on the ground, he couldn't help but slap his forehead and regretted: "Brother, that's how it was calculated. I always thought there were three bowls and four bowls."  It¡¯s just a bowl, so I didn¡¯t think of it.¡± (Note: I didn¡¯t calculate this question when I was in elementary school. The reason is the same as Chen Zairong. I haven¡¯t turned this corner and connected it with life. I didn¡¯t expect that it was just a ratio. Not only did I  No one in our class could solve it. I clearly remember that when the math teacher finished solving the problem, there was a sound of surprise in the classroom, and the little girl involuntarily covered her mouth.)

    "Wanrong, can you still solve math problems? Old man, Wanrong is becoming more and more capable." Chen Wang, who has always been steady, no longer has the usual poise. When he touched Chen Laoshi, he hurriedly praised Chen Wanrong.

    "Capable, really capable, very capable!" Chen Laoshi couldn't help rubbing his hands, smiling so hard that he couldn't close his mouth. His simple words revealed endless joy.  Look at Chen Wanrong, then look at Chen Zairong. The eldest son is smart and capable, and the second son is smart. The two sons standing together are endless hope. No matter what the father feels like this, he will smile without wrinkles.

    Chen Zairong said happily: "Brother, every year on March 3rd, our school will take us to the Weishui River for an outing. We will recite poems, compose poems, and sing couplets. It's so lively. In the past few times, my family gave me money, but this year I don't have to spend it.  Mr. Wu has to pay for the family¡¯s money.¡±

    What makes him happy is not that he saves money for his family, but that he is favored by a university scholar like Wu Jing.  It is a supreme honor to be favored by a scholar like Wu Jing, and anyone else would be excited about it, Mo Ming.

    The capital of the Tang Dynasty was Chang'an, and Chang'an was on the shore of the Wei River. Every spring, tourists would gather on the Wei River for a spring outing, which was similar to our current spring outing.

    Chen Wanrong admired Wu Jing from the bottom of his heart for his profound knowledge and excellent character. He did not show off his knowledge and gave moderate questions to the students.  However, Chen Wanrong was a little curious and wanted to test how deep his mathematical skills were. He thought about it and said, "Zairong, I also have a question that I want to read to Mr. Wu and ask him to solve it."

    Being able to stump a scholar like Wu Jing is one of the great joys in life. Anyone would enjoy it. Although Chen Zairong had no bad intentions of making Wu Jing look bad, it was also a pleasure to trouble him. He hurriedly came up with an idea: "  Brother, you must find the difficult points. If they are not difficult, then don¡¯t find them. Mr. Wu can¡¯t be troubled."

    This makes sense. Chen Wanrong immediately changed his mind and decided to ask a difficult question. After a slight change of thought, he immediately came up with an idea: "My question is about planting trees: there are twenty trees, each row  Four trees, how should I plant them to have the most rows? I need to ask Mr. Wu to draw a picture."

    "Brother, is this not difficult?" Chen Zairong didn't know that this was a world-renowned mathematical problem that had stumped countless mathematicians for hundreds of years. He thought it was a very simple problem.

    At first glance, this question doesn't seem like a big deal, but after careful consideration, I realize how difficult it is. Even the great mathematician Gauss was stumped. Chen Wanrong didn't explain much: "Just tell Mr. Wu.  Mr. Wu will understand." Wu Jing may not be able to solve this question, but with his vision and knowledge, he can see how difficult this question is, and Chen Wanrong is convinced of this.

    "Brother, I remember." Chen Zairong nodded in agreement.

    Chen Laoshi shouted in surprise: "Look, there is caustic soda in the pot."

    Chen Wanrong hurriedly turned around and saw that the water in the pot was almost gone, and many caustic soda crystals appeared in the pot.  Looking at the white crystals, Chen Zairong almost jumped up with excitement. He pointed at the pot and shouted with infinite joy: "Really, really, there really is caustic soda in the water!" This was the first time he saw water with his own eyes.  There is caustic soda in it, and it won't work unless I get excited.

    Chen Wanrong hurriedly removed the firewood from the stove and slowly evaporated it over a slow fire. After almost half an hour, it was completely evaporated.  After the caustic soda has cooled, wrap it in oil paper and tie it tightly to prevent moisture return, and you're done.

    Looking at a large bag of caustic soda, Chen Laoshi was extremely happy. He couldn¡¯t wrap his hands and rubbed them, as if they were nothing but silver.  Chen Zai's prosperity is still not over, he no longer goes to school, and he no longer lives on a parcel.

    After the passion cooled down and it was already dark, the family gathered in the kitchen to cook.  Even Chen Laoshi, who never went into the kitchen, went to help, holding firewood and lighting the fire.  Chen Wanrong was good at cutting and cooking vegetables. Chen Wang was so happy that he couldn't stop laughing when he saw Chen Wanrong, as if he was ten years younger.  (Remember the website address: www.hlnovel.com)?Learned, don¡¯t live on the package***.

    After the passion cooled down and it was already dark, the family gathered in the kitchen to cook.  Even Chen Laoshi, who never went into the kitchen, went to help, holding firewood and lighting the fire.  Chen Wanrong was good at cutting and cooking vegetables. Chen Wang was so happy that he couldn't stop laughing when he saw Chen Wanrong, as if he was ten years younger.  (Remember the website address: www.hlnovel.com
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