As soon as Zong Xiu's words fell, Fang Yiai, Chai Lingwu and others burst into laughter, and even Qin Huaidao, who had been protecting Zong Xiu, laughed.

Fang Yiai patted Wei Shuyu's shoulder and laughed wildly: "Shuyu, did you hear that?" This guy has such a big breath that he wants to compete with us. ”

Wei Shuyu has a strict family education on weekdays, and his temperament is quite humble and gentlemanly, so he can't help but laugh and say: "Since you want to compare, then compare." Hey, young people just don't know the height of the sky. ”

Several of them are older than Zong Xiu, so there is nothing wrong with this.

Chai Lingwu was the first to shout: "I'll come first, you listen." Today, when someone buys something, each person pays eight dollars, and the remaining three dollars; Seven dollars per person, less than four dollars, ask the number of people and prices, and ask how many people and prices are there".

After Chai Lingwu finished the question, he looked at Zong Xiu triumphantly and said, "Do you need to calculate the plan?" I can lend you. ”

The scholar behind him took out a purple silk bag from the book basket with great eyesight, which contained bulging chips.

Fang Yiai sneered and said: "Master, what Brother Ling Wu came up with is the question of 'Insufficient Profit' in Chapter 7 of "Nine Chapters of Arithmetic", you can't calculate it, you can say it clearly, after all, people of your status can't come into contact with arithmetic classics such as "Nine Chapters of Arithmetic" on weekdays. ”

Fang Yiai didn't brag.

At present, not long after the founding of the Tang Dynasty, it has just experienced the turbulent times at the end of the Sui Dynasty, the world is turbulent, the people are not happy, and ordinary people just want to live. Even squires like the Zong family taught poetry books at most, and classics like "Nine Chapters of Arithmetic" didn't even have the opportunity to get in touch with them.

Qin Huaidao, Wei Shuyu, Du Gou, and Changsun Chong all stared at Zong Xiu, waiting to see the joke.

In the sneering eyes of everyone, Zong Xiu pretended to be surprised and said, "This is also a problem? Could it be that your son-in-law in Chang'an City can't even do pediatric arithmetic problems? ”

Chai Lingwu sneered: "What's the use of being bare-mouthed, you are talking about the answer!" ”

"Seven people, 53 money, do you need to count?"

After Zong Xiu finished speaking, he shook his head and sighed: "I am embarrassed to take out the questions of the third grade of primary school to test me, I really look down on you." ”

The six small princes looked at each other, they were not good at studying, but they also studied in the country for a few years. I have also read a lot of arithmetic classics such as "Zhou Ji Sutra", "Nine Chapters of Arithmetic", "Island Sutra", "Zhang Qiujian Sutra", "Five Classics of Arithmetic", "Records of Mathematics", "Fixation", "Five Cao Sutras", "Sun Tzu Sutras" and other arithmetic classics.

Zong Xiu's answer is right, exactly the same as the answer in "Nine Chapters of Arithmetic"!

Could it be ......

Chai Lingwu shouted: "This doesn't count, you must have read "Nine Chapters of Arithmetic" and remember the answers in it." ”

Zong Xiu laughed: "Okay, if you say it doesn't count, it won't count, let's come up with the question again." ”

Chai Lingwu was embarrassed, the questions he knew were all in the arithmetic classics. Although he memorized the answers, he didn't necessarily take the test when he took the test. Looking at Zong Xiu's posture, it seems that he has read "Nine Chapters of Arithmetic", maybe he has also studied other classics, and it is meaningless to continue to come up with those questions.

"Shuyu, you're coming!" Chai Lingwu shouted.

Wei Shuyu got up slowly and said, "Then I will also make a question, this question was heard by my father when I was drinking with Master Li Chunfeng and Li, and it involves astronomical numbers, if you can't answer it, I can change the question." ”

Zong Xiu understood the meaning: Wei Shuyu said so much, just to tell him that the following question was not from any book.

But who is he? A time-traveler from more than a thousand years later!

As a science student, even if he is not a major in mathematics, the knowledge reserve in his memory alone is enough to deal with these flying and domineering small princes in front of him.

Zong Xiu said proudly: "It doesn't matter! Whatever question you have, if there is one that can't be solved, you don't need to do it, I will die here by myself. ”

Seeing Zong Xiu's arrogance, Wei Shuyu sighed and said, "Listen well." The number of heaven and earth is three hundred and sixty, the sum of the southeast is one hundred and eighty and two, the sum of the northwest is one hundred and seventy and five, and there are three remaining. Therefore, the sky is tilted to the northwest, and the earth is sunk to the southeast. ”

"Today, there are seven fewer than the seven houses of the White Tiger in the west, sixteen fewer than the seven houses of the northern Xuanwu, fourteen more than the seven houses of the southern Vermilion Bird than the seven houses of the northern Xuanwu, and thirty more than the seven houses of the western green dragon. Q: What is the value of the four nights? ”

After Wei Shuyu finished the question, Chai Lingwu, Fang Yiai, Du Gou, Qin Huaidao, and Changsun Chong applauded. After all, this kind of four-unknown problem is really difficult for them.

"Assistant Teacher Zong, in fact, I won't solve this question, but I heard Li Chunfeng and Master Li say the answer, if you really can't answer it, it's fine."

Kind!

Wei Zheng's son is still very kind, Wei Shuyu knows the difficulty of this question very well, and he doesn't want to embarrass Zong Xiu.

However, he didn't want to embarrass Zong Xiu, but Zong Xiu wanted to attack these high-flying and domineering little princes.

"Yes, this question is still a little interesting, barely enough for junior high school level."

Zong Xiu teased on his lips, but his mind was calculating quickly.

Although Chai Lingwu, Fang Yiai and others didn't understand what "junior high school level" was, it can be seen that Zong Xiu was arrogant and angry.

"If you can't answer, just say it, what is a strong mouth."

"That is, if you have the ability, you can say the answer. Don't be quick and fall on your heels. ”

Everyone criticized Zong Xiu, but they didn't notice that Kong Yingda, the priest of the country's sacrificial wine, had quietly appeared near the pavilion.

When these six people came, Kong Yingda received the news, and Jiang Chen hurriedly ran over, saying that a few small princes might not be good for the new arithmetic assistants, so they came on purpose.

Although Kong Yingda didn't dare to offend a few small princes, he didn't want to watch Zong Xiu get injured.

There was no way, five arithmetic assistants were beaten away in two years, His Majesty was very angry, and he was scolded several times for this sacrificial wine.

When Kong Yingda came, he made a plan in his heart: he really couldn't stop it, so he came forward to suppress the matter. A small arithmetic teaching assistant, can he still turn over flowers under his hands?

However, what Kong Yingda didn't expect was that as soon as he came, he saw six small princes and Zong Xiudou arithmetic. Wei Shuyu's question, he listened to it completely, and he also frowned.

"Count, you count."

"Do you need pen and paper? Do you want Shuyu to repeat the question again? ”

Chai Lingwu, Fang Yiai, Changsun Chong, Du Gou and others urged one after another.

Qin Huaidao stood beside him with his arms crossed, his eyes staring at Zong Xiu full of curiosity. He also wanted to know whether the new arithmetic assistant had real talent or was just talking but not practicing.

Just when everyone was angry, Zong Xiu calculated the answer.

"Qinglong Qisu 76; White Tiger Seven Houses 83; Suzaku Seven Nights 106; North Xuanwu Seven Houses 92. Wei Gongzi, I don't know if my answer is right? ”

After Zong Xiu reported the answer, Yin Yang looked at Wei Shuyu and said in his heart: This is also called a question? It's really boring to make an equation and solve it.

Seeing that Zong Xiu reported the answer so quickly, Chai Lingwu was the most excited: "Shuyu, is the answer right?" Is he wrong! ”

Fang Yiai also said: "Shuyu, tell me the answer quickly." ”

Wei Shuyu looked at Zong Xiu dumbfounded: "How did you do it, you calculated so fast!" ”