Otaku Engineer in Great Tang Dynasty

"Uh, Ugly Cow and Huaiyu are you two here?"

When I came to the teaching house, I saw the tall Ma Da Cheng Chumo and the gentle Qin Huaiyu sitting behind. Li Zexuan remembered the day when Cheng Yaojin and other veterans entrusted his son to the school, but he did not expect these generals. The second generation is here today.

　　 Cheng Chu silently pulled his head, and said weakly:

"Brother, I don’t want to come, but my father said that I would break my leg if I didn’t come. I thought he was frightening me. Who knew he actually came this morning this morning, my mother couldn’t help it. Fortunately, my brother, I ran fast, or I should be lying in the Imperial Medical Office now. Alas, Xiaoxuan, we were brothers, and now you suddenly became my teacher for no reason. This is really **** Yes!"

　　 Li Zexuan almost didn't laugh when he heard Cheng Chumo's complaint. He really didn't expect Cheng Yaojin to be so cruel to his son.

He was about to say a few words to comfort him, when Qin Huaiyu smiled and said: "Ugly cow, Uncle Cheng is also for your good. Now that you are here, you should study hard. Besides, I just borrowed the notes from other classmates. , Xian Xiaoxuan’s new arithmetic does have many merits..."

"Stop, stop, Huaiyu, don't say anything, you have good grades, of course you don't care, but look at my old Cheng, where does he look like a scholar! I just heard that the last five of the monthly exams in the school will be cleaned The teaching house, what stigma list should I enter, I really don’t know which tortoise son thought of the bad idea, but it killed my old Cheng!"

　　 Cheng Chu did not wait for Qin Huaiyu to finish, so he interrupted directly. He spoke very loudly. Eight cds of everyone in the teaching house heard it. The noisy teaching house was instantly quiet. Except for the three new arrivals from Cheng Chumo, all the other students looked at this man who dared to speak wildly in shock. God man.

　　 Li Zexuan's old face turned black, and he hit Cheng Chumo's thigh with a kick, "Slot, this idea is from Lao Tzu. If you win the final five this month, you will scan me the two-month teaching house!"

Cheng Chumo was kicked for a while, and then after listening to Li Zexuan's words, his eyes widened with a dumb face, and he stretched out his hand and said, "Ah, oh, Xiaoxuan, don’t! What's the relationship between our brothers? Is it like this? Just let me **** it!"

　　 "Hahaha!"

　　 When the students saw Cheng Chumo playing with treasures, they couldn't help laughing. As for the identities of Cheng Chumo, many of them knew about the identity of Cheng Chumo. After inquiring privately for those who didn’t know, they all knew. They thought that the second generation of these generals were quite arrogant, but they did not expect Cheng Chumo to be so funny. It's no different from ordinary people like them.

　　 Li Zexuan ignored Cheng Chu and looked at the dark and fat boy next to Qin Huaiyu, and asked, "You are Yuchi Baolin, right?"

　　 The chubby scratched his head and said with a smile: "Yeah, I'm Yuchi Baolin. Just call me Baolin!"

　　 Li Zexuan nodded and encouraged: "Okay, Pauline, you study hard. If you don't understand, you can ask Tie Dan or just ask me."

　　 Cheng Chu silently murmured from the side: "Cut, what does he have to learn? In the end, he won't be the last one with me!"

　　 Li Zexuan was very angry, and slapped him in the head, "You are going to be the last one in the exam. I will not recognize you as a shameful brother when I see how Uncle Cheng cleans up you!"

　　 Cheng Chu silently rubbed his head, looked at him with a grieved expression like an angry little daughter-in-law, and muttered: "Xiaoxuan, you are not kind! Brother, I usually treat you so well, why can you do this?"

　　 "Which is it? Even this king has to do what his husband wants here, what do you want to do with ugly cow?"

　　 Li Tai just stepped on to the school today. As soon as he came in, he heard Cheng Chumo's grievances and couldn't help but interject.

　　 Cheng Chumo looked at Li Tai in surprise, opened his mouth, trying to say something, but in the end he didn't say anything. He held his forehead with his hand and sighed, which seemed to be a complete confession.

　　..............

　　 "Okay, let's start the class! Students, take out your homework, Tiedan, go and collect the homework for me!"

　　 There were a few bells and drums outside. Li Zexuan hired a watchman to ring the bell for the school. Hearing the class bell ringing, Li Zexuan started another day of classes.

　　 "Yes, Master!"

　　 Tiedan stood up, collecting work one by one. When he came in the morning, he had just given all the students new books one by one, and because he was Li Zexuan's personally major disciple, all the students treated him very well.

　　 A moment later, Li Zexuan took everyone's homework and looked at it in the hall at a glance. After a while, he frowned and shouted, "Wang Meng, get me up!"

　　Wang Meng sat down and waited for Li Zexuan to praise him. His homework was thought of for a long time before he came up with it, but listening to Li Zexuan's current tone, it was obviously not for him to praise him.

　　 Wang Meng stood up with a look of error, and stammered: "First... Sir!"

　　 "Tell everyone, what method did you write on your homework?"

　　 Wang Mengna Khan said: "Uh, I...I wrote that I saw the ginkgo tree down and then measured it with several rulers on the ground!"

　　 "hahaha"

　　 The students burst into laughter after listening.

　　 Cheng Chu was also very happy. He laughed and yelled: "Haha, brother Wang Meng, with you, it seems that I don’t have to take the exam to be the last one, haha!"

Li Zexuan asked everyone to be quiet, looked at Wang Meng and said, "Now do you know that you are wrong? I teach you maths so that you can use what you have learned and use it in your lives, not to make you look like before. That way, everything depends on brute force!"

　　 Wang Meng hesitated for a while, and said unconvinced: "But my father said ~www.ltnovel.com~ When he was doing carpentry work, he used this method to measure the length of the trunk!"

　　Li Zexuan:...............

　　...............

　　 After spending a long time inking with Wang Meng, he finally persuaded this stubborn product. Li Zexuan began to compare the winners of this assignment. All the students were shocked and listened carefully.

"After careful consideration, Meng Wenhao did the best job this time. His method is to measure the length of the shadow of the person and the tree at the same time, and multiply the length of the tree shadow by the actual height of the human shadow and the human body. The actual length of the ginkgo tree is obtained.

In addition to Meng Wenhao, Li Tai's method is also very brilliant. He makes people's eyes close to the ground, and then moves a market ruler until the top of the market ruler is in the same straight line with the eyes and the tip of the tree. The ratio of the distance to the human eye to the distance from the market ruler to the human eye is multiplied by the length of the market ruler to get the true height of the ginkgo tree.

　　 The method of the two of them is the smartest and the best, but in comparison, I think it is Meng Wenhao's method which is simpler and more accurate. He deserves the first. Let us give the applause to these two students! "

　　..............

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