"Let the quadratic parabolic relation: y=f(x), to calculate the function at the point x=x0."

In the private school run by Jiangxia's "Xiakou Money Bank", Mr. Lin Zhangshan, who was specially hired, was giving a lecture, and the students listening to the class were of different ages, but more than half of them were the shopkeepers of small and medium-sized pawnshops and money shops in Wuhan. The other half are the children of the employees of "Xiakou Money Bank".

"f(x1), f(x2), and f(x3) are known, where x1

Da Da The sound is unique, and you immediately know that it is a special riding boot with a special foundation, and there are small patches on it, so it makes a peculiar sound when it comes into contact with the slate.

The students in the classroom were attracted by the movement outside, even the gentleman.

With a textbook in one hand and a chalk in the other, the young gentleman walked to the door and shouted, "Rich old man, what is this movement and what is the trouble?" ”

"I heard the shopkeeper of the money bank say that there are high rollers in Lingnan, and there are big money banks in Jiangbei that are ready to guarantee the people of Lingnan, and then sell 'debt bills'."

"Lingnanians? How can any Lingnan people have such a reputation and make such a powerful ......"

"I heard that the surname is Feng."

"Huh?!"

Mr. Na slammed a spirit, then turned to the classroom and said: "Then the value of the function at point x0: f(x0) = f(x1)*(x2-x0)*(x3-x0)/((x3-x1)*(x-x1))+f(x2)*(x1-x0)*(x3-x0)/((x3-x2)*(x1-x2))+f(x3)*(x2-x0)*(x1-x0)/((x1-x3)*(x2-x3))). ”

"Okay, after class, let's go back and review more."

With that, Mr. Teaching threw away the textbook, patted the chalk ash on his hand, and rushed out on both legs. Menzi Youcai was stunned for a moment and shouted, "Mr. Xiong, do you want to leave without dinner?" ”

"No more! Don't eat it—"

Mr. Xiong shouted loudly, waving his hand while running, and saw that there was a big cart, although it was a mule, but it was also running faster than a man, so he jumped up, jumped on the cart, and touched ten copper plates: "Go to the cattle alley in the west of the city, hurry up." ”

"Is this the cow alley in the city or outside the city?"

"The one in the city can also be called Niuza Alley? Don't talk nonsense, go! ”

"Outside the city, you have to take a detour, and the little mule ......"

"Lao Tzu will spare you two more pennies!"

"Sit down, old guest!"

Syllable!

As soon as the whip sounded, the mule immediately ran fast, this cart was not comfortable, but in recent years, because of Poly Construction and SF, even the two-wheeled carriage is much more comfortable than before.

What's more, the road conditions in Wuhan are good.

It is said that it is a detour, in fact, it is a straight road in the factory area, not to mention the spaciousness and openness, there are not many pedestrians, and it is not enough to get off work, and there are a few people walking around on the road, which is good.

After two quarters of an hour, we finally arrived at the cattle alley in the west of the city. There are two Niu Zai Lane, both in the west of the city, but one is in the city, and the other is in the factory outside the city.

It is said that it is a factory, but in fact, there are many shops, storefronts, warehouses, large car yards, and livestock pens. A few years ago, the road was repaired and the embankment was repaired, and it was still the headquarters of the western section of the Ezhou embankment, so a lot of properties were left, and it was just right to see the scenery, so within a year or two, this boundary was planned by the urban construction department and became a place where small property owners love to go for recreation.

The cost of prostitution is too high, and it is not a problem to come here to eat beef offal soup, Jiangxian and mountain goods.

Many Wuhan "students" who were not interested in the imperial examination also bought properties here.

On the books of Jiangxia City, the "output value" of this boundary is really not low.

"Old guests! It's here! ”

"Let's go! Twelve! ”

"Hehe, what the old guest said, these twelve small texts are fast and steady, isn't this worth a few Kaiyuan Tongbao?"

"Roll ......"

"Hehe, the old guests eat and drink well, the little ones keep a job, and then go back to the south of the city."

The handlebar style was cheeky and laughed there, but he didn't mind Mr. Xiong scolding him. What's wrong with scolding? Just give the money. Don't say a few words of scolding, if you give enough money, as long as you don't beat you to death, just say hello.

"Old bear! Just waiting for you! Why do you leave work early today? ”

Mr. Xiong rubbed his hands, and scolded while taking off his shoes, "This bird weather, the cold Lao Tzu's face is like a knife." Got hot wine? ”

"Shaoxing wine, just hot."

In the tin pot like silver, there was rice wine, and he hurriedly poured a glass for Mr. Xiong.

"Nourishing ......"

Mr. Xiong picked up the wine glass and drank it all, "Ha...... It's still the old wine that suits the taste, and the liquor is sent to Lao Tzu, but Lao Tzu doesn't drink it. ”

"Oh, old bear, why did you come early?"

The room was warm, and several men were sitting or lying on their sides, around the stove, on which fragrant beef offal was boiling, and next to each of them were Shaoxing wine and Jimo wine in tin pots.

"There was a movement in the school just now, and the door has wealth, which is the one who was originally the shopkeeper, saying that there are high rollers from Lingnan, and someone in Jiangbei is giving them a guarantee, ready to sell 'debt bills'."

"Lingnanians? Jiangbei is full of big money banks, so you can let Jiangbei people as a guarantor, isn't it Feng's? ”

"Who else could it be if it wasn't Feng?"

"Ahh

"I'm afraid it's not going to be a war, Feng will do it himself!"

"Xuehou Junji, that old goods?"

A group of people came to the spirit, and they all discussed.

Mr. Xiong was speechless, picked up his chopsticks and took out a piece of dried bean curd in the offal pot, and after eating a piece, he said: "That's what I thought about, so I didn't stop and came to tell my brothers about it." You see, this Feng family must be short of money, how big is the Feng family? There are more than a dozen or twenty hillsides in Guangzhou, all of which are planted with Feng's sugarcane, and they only sell gray sugar, and they dare not say it for more than a year, there are always thousands of dollars, right? ”

"That's the reason, the Feng family is at the point of lack of money, I'm afraid it's not a big move."

"Even if it's not?" Mr. Xiong put the chopsticks away, and then said to everyone, "Think about it, this court just asked Du Xiucai to do what kind of consolation envoy in the South China Sea, oh, it's been a few months, and the Feng family is suddenly short of money?" What do you say, what can make the Feng family starve of money? It can't be a rebellion, right? ”

"Is there really a big deal in the South China Sea?"

Someone asked suspiciously.

Mr. Xiong suddenly said: "In the past, the route was unstable, the ships were not strong, and there was a shortage of sailors, and there was a shortage of armor soldiers. What is lacking today? There is a lack of years, months and days, and there is a lack of time. You also know, a number of seniors and seniors went to Suzhou and Changzhou, didn't they all say it? South Sea hardware, high quality. Is Du Xiucai a fool? Can Feng be a fool? ”

"What do you mean, old bear?"

"Good!"

Mr. Xiong's eyes lit up, "Let's not buy this 'debt note', make up some money, and sell a boatload to the Feng family." ”

"Clams? Why don't you buy 'bonds'? Isn't this drought and flood to ensure a good harvest? ”

"Lao Xiong is too little money, besides, if he can sell a boatload of things to the Feng family, it can be regarded as having a relationship with the Lingnan people, and what he wants to pour in the future, isn't it simple?"

"Isn't this really a businessman? What does it mean? ”

"If you give the Feng family a favor, how difficult can it be to go to Guangzhou to mix with a nine-rank official?"

"If we don't love officialdom, we don't love it, maybe we have left officialdom? The mountain chief can't say that he will be a Jianghan observer for the rest of his life, and the people in the capital will be greedy in the future, once they fight, what are we? Ant-attached people who can read and understand arithmetic? It's always right to save some money in this situation, and it's good to move when the time comes, isn't it? In case he is sent and exiled for 3,000 miles and 10,000 miles, then he is not in a hurry, is he? ”

"So what's going to sell?"

"Canned food, salted fish, whale baleen bowstring, Qinghai cowhide, Hebei blanket...... It's all we can get, and Lingnan is in high demand. ”

For a while, the group of people who ate offal actually flew up in discussion, wondering which senior and which senior they were looking for, so that they could dump the supplies and go south.

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