Professor Qu looked at the long white clouds outside the window, then retracted his gaze and said, "Shen Qi, foreigners call him Key. He is a master key. He once opened the door to a new world. He is a person who has created miracles. You take This new drug was developed by Shen Qi, can Shen Qi continue to create miracles? You are his wife, maybe you know him better."

Ouye was encouraged, she raised her arms and shouted: "I... I'd better take medicine."

Professor Qu said: "I don't need to take medicine today. I'm here for a routine ward checkup, and I'll chat with you or something."

"Well, thank you Professor Qu...I'm a little sleepy..."

"Go to sleep when you're tired."

"My students, I will come over later... If I don't wake up, Professor Qu, you...give them the manuscript..."

"I said Xiao Ou, you are a patient, during the clinical trial, you should not study mathematics!"

"Man, there has to be a...spiritual sustenance...yawn...sleepy..."

"All right, all right, I'll arrange for your students, you can sleep for a while, see you tomorrow."

Ouye quickly fell asleep.

"Her sleepiness reaction is more obvious."

Professor Qu said to himself that he had recruited dozens of subjects. Combining the experimental data and intuitive observation, he believed that Ouye was a typical case.

Professor Qu came to the table, and the manuscript that Ouye was talking about was placed on the table.

The manuscripts are written with mathematical formulas, densely packed and dazzling.

Suddenly, a strange light flashed in Professor Qu's eyes.

"Is this... is this... is this the solution to that mathematical problem?"

Don't think that doctors are not good at mathematics, some doctors are quite good at mathematics.

For example, Professor Qu, his mathematics is so good because of work needs.

In clinical trials, pharmacokinetic and pharmacodynamic models are established through mathematics, and drug efficacy, as a dependent variable, can be a clinical endpoint, surrogate point, or biomarker. Clinical trial data processing requires the use of numerical analysis algorithms such as ordinary differential equations, probability theory, and the Runge-Kutta method.

Professor Qu may not be the strongest medical expert in China, but his mathematics level is among the best among medical experts.

Staring at Ouye's mathematics manuscript, Professor Qu was inexplicably excited.

"Look... I can't understand it. Is this number theory? And elliptic curves? Chaogang, this thing is beyond the scope of my knowledge."

"However, I feel that Xiao Ou is very powerful. Just imagine, a woman suffering from illness proved a world-class mathematical problem in the ward. How would this move China?" Professor Qu put Ouye's manuscript on the table. Put it neatly, then left the ward, closed the door, and asked the nurse team to guard the ward and Ouye 24 hours a day.

There are always people coming and going in the hospital, and Xidan is similar to it.

Xicheng Weihua Kindergarten is near the Xidan business district. Shen Qi brought his daughter here after leaving the kindergarten to eat and shop.

"Nofi, are you full?"

"full."

"Then let's go buy red dresses, red shoes, red hairpins, and then buy you a few small red schoolbags. After you get home, you put them all on, put them on, and carry them on your back. We will take videos and photos and send them to your mother." .”

"Well, I like red the most. The black and white clothes issued by the kindergarten are so ugly."

"Go, go to the second floor, the children's clothes are on the second floor."

Shen Qi took Nuofi's hand, walked out of the restaurant, and took the escalator to the second floor of the shopping mall.

As the elevator was going up, Nuofi asked, "Dad, do you know that pretty sister? The pretty sister who sat at the table next to me during dinner."

"I don't know, how could I know a stranger." Shen Qi was a little puzzled, why would my daughter ask this question?

"Then why do you keep staring at that sister?"

"Why am I staring at her?"

"Father, you are not allowed to have an affair."

"Do you know what an affair is?"

"An affair is to find me a new mother outside."

"Your understanding of having an affair is basically correct, but Dad will never do it. Here, it's just this brand of children's clothing."

"Dad, why are you wearing glasses all of a sudden?"

"Because Dad is more handsome with glasses, what do you think, Nofi?"

"Well, yes."

Shen Qi took Nuofi into the children's clothing store, and the clerk warmly welcomed the father-daughter pair.

"My daughter likes red. You can take out your store's bright red, pink, wine red, orange red, Ferrari red skirts, shoes, hairpins, and school bags according to her size, and give her a try."

"Okay, please wait a moment."

This brand of children's clothing is quite expensive, and this store is a retail store, not a wholesale store.

The father and daughter seemed to be engaged in wholesale, and the clerk happily went to get the goods.

"Dad, Dad, I bought so much, I can't finish it." Nuofi rarely went out with her father to buy skirts, shoes, and hairpins. Usually, her mother took her to buy girls' equipment. consumer demand and aesthetic standards.

Dad's shopping style is completely different from Mom's.

Mom usually chooses children's clothing one by one, while Dad's method is: this this and this, take them all out.

"It's called exhaustion. It's okay, just buy it." Shen Qi told Nofi the theoretical basis of his shopping behavior.

"Exhaustive method... so it means buying a lot of skirts?" Nuofi often comes into contact with the technical terms her father told her in her daily life. It is difficult for a girl of her age to fully understand these technical terms, but it will form a general or specific memory.

"Just buy it, I can't wear it all, and I'm very happy to put it in the closet." Shen Nuofei clapped her hands, as if she had realized a new truth.

"The so-called exhaustive method, you can understand that in order to buy it, you have to wear it, eliminate those skirts you don't like, until you get the one you like the most. This theory is a long story, I will give it to you when you are in elementary school. You explain in detail. In fact, many things in life can be explained by mathematics. I very much hope that Nuofi can learn mathematics well, and of course, don’t be biased, all-round development is the best."

Twenty-eight red skirts, twenty-four pairs of red shoes, sixteen red hairpins, and seven small red schoolbags.

This is the harvest of Shen Qi and his daughter.

After paying the money, Shen Qi asked the clerk to pack these things and send them to his home.

"Wow, it's nice to be rich..." A little girl in the store was drooling enviously. She also came to buy skirts with her father, but after shopping for hours, she didn't buy anything.

A daughter needs to be rich, and the prerequisite for being rich is to be rich.

Shen Qi subtly transmits some mathematical principles to her daughter through some consumption behaviors in real life.

Combining theory with practice is more effective and interesting. Always calculating numbers at home, doing addition, subtraction, multiplication and division questions, is quite boring after a long time.

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