Zhang Yunfan is a surgeon, his wife is a researcher at the research institute, and the couple are both highly intelligent people, thinking that with the genetics of the two of them, the child born will definitely be very smart.

When the child was young, he did learn to speak and count much faster than other children, which made him and his wife very happy, but when the child went to school, his grades were not as good as expected.

This caused a huge psychological gap between the two of them, just like a certain street writer dreamed at night that someone rewarded the alliance leader, and when he woke up, he found that it was ten starting coins.

Especially in mathematics, basically failing every exam, which makes them both very anxious, but whether they teach themselves or ask for a tutor, there is no way to stimulate the child's enthusiasm for mathematics, and every time he talks for half a day, he finds that the child is wandering outside the world and does not listen to it at all.

After that, they thought of all kinds of methods, but they didn't have much effect; just when they were depressed, they saw Lu Qiujian's interview and program preview on the imperial court station, so they put their hopes on this; they thought that our teaching would not be at a bad level, and to see if the teaching program made by the Princeton PhD, who had cracked Poincaré's conjecture, could arouse the children's interest.

At half past eight o'clock in the evening, the program of "Learning Mathematics with Lu Qiu" on the Science and Education Channel of the Imperial Court Station was about to start; Zhang Yunfan, who went home with his colleagues to watch TV with his children, and Zhang Yichi, a child in junior high school, sat on the sofa, "Son, you have to take a good look at this episode, the keynote speaker is one of the most powerful mathematicians in Huaguo at the moment." ”

Zhang Yichi looked listless, muttering, "Dad, I've heard of this person!"

"Oh, what did you hear about him?" Zhang Yunfan felt a surprise for a while, if the child had heard of Lu Qiujian, then maybe he would be able to listen to this course!

"I heard that he plays basketball very well!" Zhang Yichi's eyes lit up when he said this, "It was said on the Internet that if he participates in this year's NBA draft, the champion will have nothing to do with James!"

"Uh. The class is about to start, let's watch TV first!" Zhang Yunfan wiped his sweat, hey, if this kid could devote one-tenth of his interest in sports to studying.

The opening flashes and the TV screen does not show the image of the presenter as in a normal lecture program, but just a blackboard, and then with a click of the mouse, a question appears in the middle of the blackboard.

Then Lu Qiujian's voice sounded, "You can see that this is a multiple-choice question, and the main test is everyone's deductive reasoning ability! What is deductive reasoning." Deductive reasoning is that I give you some statements, and then you deduce some necessarily correct results from these statements! I'll give you an example! I said that the first condition is that the boys are taller, and the second condition is that Xiao Ming is a boy, so we can deduce that Xiao Ming is taller! This is a correct deductive reasoning process! Let's look at this problem."

There are no exaggerated language movements, no fancy way of speaking, but it is such a simple process, Lu Qiujian can express it in plain and simple language, even a child with a poor mathematical foundation like Zhang Yichi can understand what he is talking about.

The first practice question about parallel lines ended quickly, and Zhang Yunfan took advantage of the show to turn around and ask his son. "How's that?

"I kind of understand!" Zhang Yichi nodded, without the slightest tiredness and disgust for mathematics on his face, "He speaks better than our teacher!"

"Haha, that's for sure. I don't know how much higher their math level is than your teacher, let me tell you," Zhang Yunfan laughed happily.

"Dad, stop talking, the next question will start immediately!" Before he could finish speaking, he was ruthlessly interrupted by his son.

Good, good, good. I don't speak, as long as you are willing to watch it, let me do anything! Zhang Yunfan quickly covered his mouth,

Lu Qiujian's show didn't last long. Each issue uses two or three example questions to explain one or two knowledge points, and it only takes about ten minutes to read them all, which makes them both feel a little unfinished.

"Tsk, this show is a bit short!" Zhang Yunfan smacked his tongue and said, but he did find something different from the show, Lu Qiujian not only told them about the knowledge points in the show, but more importantly, it was more important to cultivate the correct way of thinking in mathematics among students.

"It's not too short, it's good!" Zhang Yichi's eyes flashed, "Our teacher only talks about such a little knowledge in one class, but it's not as easy for people to understand as he says!"

"If you like it, let's continue to watch this show together tomorrow night!" Zhang Yunfan is in a good mood now, he didn't expect a TV show to solve the problem after spending no amount of money.

After comforting the child, I immediately called my wife who was working overtime, and there was a burst of surprise shouting, shouting that I would say that I would not work overtime tomorrow, and I would go home to watch them no matter what!

A similar situation happened in many students' families, and when Zhang Yichi arrived at school the next day, he found that many of his classmates were discussing yesterday's program.

The students discussed enthusiastically, and parents also called to tell their relatives and friends the news; when the second episode of the program began, the ratings survey of the imperial court station showed that the ratings of "He Lu Qiu Jianxue Mathematics" had increased significantly.

At the beginning of the third issue, the ratings increased again compared with the second phase, and it took more than ten consecutive days to stabilize, a small teaching program, the ratings actually exceeded many old golden programs, which surprised the imperial court station, and hurriedly increased Lu Qiujian's salary, and wondered whether to extend the time of the program, and then release some discs or something to increase income.

Lu Qiujian refused to increase the length of the program, and all other conditions were simply agreed; whether it was releasing the disc or uploading the program to the official website of the imperial court, he did not make too many requests, for him, he didn't want to make much profit from here, and the most important thing was to spread the knowledge.

At the same time, there is another advantage of doing this, that is, you can enhance your own popularity, and brush up your prestige again; Hawking's achievements in physics are not necessarily stronger than Yang Zhenning and Witten, but his popularity is much more than these two, and one of the important reasons is the role of popular science books such as "A Brief History of Time" and "The Universe in the Shell". (To be continued.) )

PS: Thanks to Xingzhuo 123 for the 1000 tip, thanks to Bantianyun's 588 reward, thanks to Tang Jiacheng Xiaobai, Yan Dada, book friend 140319234215967, Shushang Fuyu, moon meow, kdhsygp, Sun and Moon Xi Tongguang, Bing Ling for the reward.

Thank you for the monthly pass of the invincible madman, Christ revelation and others. Today, I will work hard to cash in on the plus change, and the first three changes in the early morning.