Chapter III

"Teacher, the implicit function derivative and triple integral algorithm you use seems to be the content of the university. ”

After Bi Qi finished speaking, he also glanced at Gu Lu cautiously.

Gu Lu was stunned for a moment, and then patted his head helplessly.

Get used to it, get used to it......

The habit he has developed over the years has made him subconsciously use the most concise method to solve problems.

But he forgot that this group of high school students only studied elementary mathematics, and the methods he used on the blackboard to solve advanced mathematics problems would not be learned until college.

Trouble, trouble!

Problems that can be solved with four or five lines of formulas have to be complicated to a dozen lines of formulas.

Gu Lu was a little worried.

But following the local customs, Gu Lu picked up the blackboard and erased the content he had written before, and then reluctantly explained the finale question in a way that high school students could understand.

"I don't care what your last teacher said, but my requirement is that each of you must have a correction book. It's not terrible to make mistakes, but it's the most terrible thing to not know how to reflect after making mistakes. When you go back, remember to sort out the mistakes in the error book, and I will check them in the next class. ”

"Okay, that's all for this lesson, it's over. The class representative will collect the winter vacation homework and send it to the office later. ”

After saying this lightly, Gu Lu walked out of the classroom, leaving everyone with a handsome and dashing back.

Several nymphomaniac little girls reluctantly shifted their gaze until Gu Lu's back disappeared from sight.

"Lingling, I have decided, I will work hard to learn mathematics in the future! ”

"Heh, I don't know where you got the courage to say this sentence when you only scored more than 70 points in mathematics. ”

…………

The office of the senior 3 mathematics group is on the second floor of the whole teaching building, next door to the English group and the physics group.

There are 10 teachers in the Mathematics group, including Gu Lu, who are responsible for teaching mathematics in 18 classes in the third grade.

Except for Gu Lu, the other nine are all veteran teachers who have been teaching for more than five years.

Pushing open the office door, Gu Lu saw at a glance that in the middle of the office, an old teacher who was nearly sixty years old was wearing loose sportswear, his feet were open, and his limbs were rhythmically doing some movements similar to "radio gymnastics".

The other teachers in the office seemed to have long been accustomed to it, and they were busy with their own things at their desks.

It was the first time Gu Lu had seen it, so he was very curious to take a closer look.

The more I watched, the more Gu Lu felt that this teacher was doing radio gymnastics, although it felt inexplicably familiar, it didn't seem like the version of "The Times Are Calling".

"This is, how many sets of radio gymnastics?" Gu Lu's untimely voice sounded abruptly.

The old teacher's face turned dark, he stopped moving, and said angrily, "This is Baduanjin, Badanjin! It's not radio gymnastics!"

"Uh......" Gu Lu didn't expect the old teacher to react so violently, and hurriedly apologized, "I'm sorry, I'm sorry." ”

The old teacher waved his hand, then glanced up and down at Gu Lu, "You should be the new math teacher we came from?"

"Yes, senior, my name is Gu Lu. Gu Lu stretched out his hand.

The old teacher nodded and shook hands with Gu Lu, "My name is Zhou Haihong, and I am currently the leader of the senior high school mathematics teaching group. ”

"Hello boss. Gu Lu said kindly.

Zhou Haihong squinted his eyes and said with a smile, "Just call me Teacher Zhou." If nothing else, we'll need to work together for a year or more, so don't be so polite. ”

"In your first year here, you are still in a key class like Class 18, and the burden is very heavy! If you don't understand anything, or if you encounter any difficulties, you can come to me. ”

Gu Lu nodded, "Well, definitely." ”

Gu Lu turned around and wanted to return to his desk.

But I didn't expect to be stopped again by Mr. Zhou.

"Alas, Teacher Gu, wait. ”

"Hmm, Mr. Zhou, is there any other arrangement?" Gu Lu turned his head in confusion.

Zhou Haihong glanced at Gu Lu up and down, touched his chin and spoke, "Teacher Gu, I see that your bones are amazing, you must be a genius, why don't you practice Baduanjin with me?"

Zhou Haihong's current demeanor is very much like the kind of unscrupulous Taoist priest on the mountain.

Gu Lu's face froze, and he said with a haha, "Uh, Mr. Zhou, forget it." I think radio gymnastics is pretty good, too. ”

Zhou Haihong showed a look of regret on his face, and was a little disappointed that he did not carry forward the "Baduan Jin" in the office.

Gu Lu returned to his desk.

As soon as he sat down, he saw Bi Qi and another classmate named Ma Zhengxuan in the class walking in with a stack of homework.

"Are you still the representative of the math class?" Gu Lu looked at Bi Qi with a smile.

Class leader, math class representative.

Gu Lu didn't expect that this classmate who was caught playing with his mobile phone in class also wore many hats.

Bi Qi said with a smug face, "In the past, teachers designated class representatives based on grades, and Ma Zhengxuan and I have always been ranked in the top two of our class, so the representatives of mathematics class have always been the two of us." ”

Gu Lu suddenly remembered something, "When you were in class just now, you reminded me that you used the knowledge of advanced mathematics in college, how did you see it?"

Bi Qi scratched his head, half modest, half smug and said, "When I was idle during the summer vacation, I taught myself some college mathematics. ”

"Oh?" Gu Lu looked up with interest and asked with a smile, "So you want to apply for the Department of Mathematics at university?"

Bi Qi nodded heavily and clenched his fists, "My target is the Department of Mathematics at Yenching University!"

"I'm also from the Department of Mathematics of Yan University!" Ma Zhengxuan, who had been silent beside him, also spoke in a muffled voice at this time.

After putting down their homework, Bi Qi and Ma Zhengxuan said goodbye and left.

Gu Lu looked at the backs of the two leaving, touched his chin and pondered.

These two are good seedlings, and you can focus on cultivating them......

…………

There are a few benefits to being a teacher.

That is, you can go to the cafeteria in advance to eat, so as not to have the trouble of queuing.

Haicheng No. 1 Middle School was out of school at 11:55 in the morning, and Gu Lu stayed in the office until more than 11 o'clock, and then walked slowly to the cafeteria.

There are three levels of cafeteria, corresponding to the three grades of high school, and the types of meals in the cafeteria on each floor are the same.

Since there are very few teachers who choose to eat in the cafeteria, there is no special window for teachers to eat.

Coming to the first floor of the cafeteria, Gu Lu picked up the stainless steel plate used to make rice and came to a window.

Glance at it, tomato eggs, braised eggplant, stewed chicken, braised pork stewed potatoes...... It's hearty!

Smell it.

Sure enough, it was the big pot dish that tasted the most fragrant.

Gu Lu swallowed his saliva and said to the aunt who was cooking, "Auntie, give me two steamed buns, and another stewed potato with tomatoes, eggs and braised pork." ”

"Okay!" the aunt shouted enthusiastically.

First, he added a spoonful of tomatoes and eggs to Gu Lu's plate, well, a full spoonful.

Then the aunt put a spoon into the red fried meat and stewed potatoes and came out again, Gu Lu's eyes lit up.

On top of the large spoon, there is a full layer of braised pork.

Gu Lu stretched over the plate and wanted to take it.

But the aunt was not in a hurry, "Young man, you came early, did you skip class?"

As he spoke, the hand holding the spoon kept trembling under Gu Lu's increasingly ugly face.

Shake, shake, shake, shake......

Gu Lu's face was also trembling.

The seven or eight pieces of braised pork spread on top fell one by one, one piece, one piece......

"Auntie, don't shake your hands!"

Gu Lu yelled in his heart, but didn't say it in the end.

In the end, Gu Lu glanced at the cafeteria aunt resentfully, and found a place to eat the plate with only one piece of braised pork left.

What's more, when he was a student, Gu Lu had suffered enough from the cafeteria aunt, but he didn't expect that after entering the society, he would inevitably have to accept the poison of the aunt who suffered from intermittent Parkinson's disease.