When Lu Zhou heard Professor Tang's heartfelt words, he was touched.
Professor Tang was the one who cared about him the most!
However, he had no choice. He did not want the system to give him the blueprint. It would be a waste to keep it!
After dinner, Lu Zhou went to the library again. He borrowed analytic geometry, ordinary differential equations, complex and real functions, functional analysis, topology, differential geometry, and other related textbooks from the library according to the book list given by the system.
Almost one-third of the books on mathematics were on the list.
If he could finish reading all of these books, he would be able to pass all of the undergraduate mathematics courses.
However …
"Are 40 focus capsules really enough?" asked Lu Zhou as he looked at the capsules in the bottle.
He shook his head and decided not to think about it. What he had to do now was to complete the system's mission.
What if the capsules ran out?
He would have to think about that later.
Lu Zhou opened the bottle of mineral water and popped a capsule into his mouth.
Because he had experienced it once, he quickly got into the zone …
…
Early in the morning, a ray of sunlight shone through the window.
A breeze blew through the curtains. Lu Zhou could hear cicadas chirping outside the window. His eyelashes moved and he slowly opened his eyes.
"Ah …"
His muscles were sore, especially his neck.
Last night, he cultivated all the way until his tribulation. He did not even remember when he fell asleep. He only remembered that he was so sleepy that he wanted to look at the time on his phone. He fell asleep the moment he laid his head on the book.
The classrooms that were set up for the postgraduate entrance exam were uninterrupted at night. In addition, it was just the start of the summer vacation, so no one came to wake him up. Thus, he slept until the next day.
Speaking of which, what time is it now?
Lu Zhou took out his phone that was almost out of battery. He looked at the screen and knew that this was bad.
"It's already 11 o 'clock … Speaking of which, I still have to tutor in the afternoon."
After sitting in his seat for a while, he shook his dizzy head and got up to go to the bathroom.
With a splash of cold water on his face, Lu Zhou felt a lot more awake. He returned to the classroom and sat down to rest for a while. Gradually, he recalled yesterday's situation.
The conclusion from the last time he took the medicine was that even after five hours, the residual effect of the medicine would still be effective for a while.
In order to test the maximum duration of the focus capsule, Lu Zhou chose to test it in an environment without any distractions.
The final result was unexpected.
He found that even after eliminating all external disturbances, his brain was still under the influence of the residual drug effect even after five hours had passed. He couldn't stop at all without external interruptions.
However, this state of high concentration also caused a considerable load on the brain. At first, it was a slight headache, but later, it directly triggered the self-protection mechanism of living things, and the whole person fainted.
"It seems that the five-hour duration of the medicinal effect isn't absolute. If I force myself to hold on, it wouldn't be a problem to extend the medicinal effect by 50%. Especially when I'm extremely sleepy, after I break through the critical point, my consciousness will be extremely clear … As for the side effects, it's no different from the side effects of staying up late. "
Lu Zhou muttered to himself and couldn't help but yawn again.
"… It seems that I have to work hard to achieve the best effect from taking the medicine."
Lu Zhou moved his sore neck and closed his eyes. He then entered the system space and opened the mission panel.
[Mission progress 2/30]
It seemed that the system had already passed the "Linear Algebra" and "Analytic Geometry" textbooks. Next up was ordinary differential equations.
If this continued, it shouldn't be a problem for him to use 40 focus capsules to complete this "reward mission"!
…
Lu Zhou packed up the things on his desk and first went back to his dorm. He took a shower and changed into a clean set of clothes. He then went to the school gate and called a DiDi. He then took a taxi to the address on the business card.
Jin Ling City's summer was very hot, the kind that defied human heat.
Since the taxi fee was reimbursed, he was too lazy to sweat on the bus. Therefore, he just called a taxi.
Soon, the taxi stopped in front of a neighborhood called "Bauhinia Garden". After Lu Zhou got out of the car, he stood at the door and looked up. He couldn't help but feel emotional.
This neighborhood really lived up to its name as it was very stylish.
Also, this area was considered a prime location near the city's business district. To build such a green neighborhood in a place like this, and it was a duplex apartment that was similar to a villa, the housing price would be unimaginably high. Only the so-called elites could live here.
Forget about solving the 100 millionth Mersenne prime number, even if Lu Zhou got a million USD reward for proving Bill's conjecture, it would still be difficult to buy a house here.
Lu Zhou looked at the security guard and the security guard looked back at him. Obviously, the security guard could tell that Lu Zhou did not live here and did not plan on letting him pass.
Lu Zhou was helpless. He called Mrs. Yang and waited for her to call the security guard. Only then did the security guard let him pass.
He took the elevator upstairs and walked over to the doorbell. Suddenly, he heard the sound of something being smashed behind the door, as well as the sound of an argument.
"… You don't care about me at all, so don't pretend to care about me!"
Bang!
Through the door, Lu Zhou could hear the muffled sound of the door being slammed.
It's over …
This job doesn't look good.
Lu Zhou hesitated in his heart. Should he go back first?
But at this moment, footsteps came from behind the door, and then the anti-theft door opened.
It was Mrs. Yang who appeared at the door.
The moment Lu Zhou saw Mrs. Yang, he was a little surprised. This was because this woman's face was expressionless and calm. He could not imagine that this woman just had a big fight with her daughter.
Mrs. Yang said in a calm voice, "Teacher Lu, right? There are slippers at the door, please come in."
Lu Zhou's expression was a bit strange, but he still smiled and said, "I'm not a teacher, just call me Lu Zhou."
"Not at all, a tutor is also a teacher. This way, please."
When Lu Zhou passed through the door, he noticed that there was a pile of broken glass in the living room. It looked like some kind of handicraft.
The door next to it was closed. It should be Chen Yushan's cousin's room.
Mrs. Yang did not ask him to stay in the living room. Instead, she brought him to the study room. She gestured for him to sit down and smiled.
"Sorry for making you laugh."
This is a bit awkward …
Lu Zhou smiled and did not respond.
He was only here part-time and did not want to get involved in other people's family matters.
Mrs. Yang did not say anything and took out a pack of ladies' cigarettes.
"Do you smoke?"
"I don't smoke," said Lu Zhou.
Mrs. Yang nodded and did not say anything. She put the pack of cigarettes back and looked at the clock on the wall. Then, she spoke with a slightly tired voice.
"From now on, I'll get off work from 1 pm to 6 pm. During this time, I'll leave Han Mengqi in your hands. Her books, test papers, and the tutoring materials I bought for her are all in this study. You just have to teach her math. "
"Is she okay with her current situation?" asked Lu Zhou hesitantly.
If she kept the door closed, the class would not be able to start.
"No problem," said Mrs. Yang with a blank expression. She took out a key and gently placed it on the table, "This is the key to her room."
The f * ck?
Is this really her mother?
This is even more serious!
"I think …"
"What do you think?"
"Nothing …" said Lu Zhou as he shook his head.
He originally wanted to say that this would intensify the conflict between the mother and daughter. However, as an outsider, he did not have the right to comment on other people's family matters because it might touch on a sensitive topic.
He also believed that Mrs. Yang could not see this.
It's just …
He did not know if she was helpless or if she did not care at all.
"Then I'll leave it to you." Mrs. Yang stood up and said, "She will have a monthly test at the end of July. If her math scores exceed 100 points, I'll consider giving you a raise next month. If she can't even reach 80 points, I'll consider changing tutors. "
She did not wait for Lu Zhou to reply and walked to the door of the study room.
"Oh yeah, there's one more thing I want to say. To prevent her from sneaking out after I leave, I'll lock the door from the outside. Are you okay with that? "
"… No problem," said Lu Zhou as he shook his head.
She would be back at six o 'clock anyways. He did not plan on going out during this time.
However …
Although I was introduced by your niece, is it really okay to lock a stranger and your daughter in the same room?
However, her next sentence destroyed all of his doubts.
"Also, I have installed more than a dozen cameras in this house. There are basically no blind spots. If you think it's a violation of your privacy, you can tell me in advance. "
When she said this, although her expression did not change, Lu Zhou could still read some kind of warning from her oppressive aura.
I knew it …
And she's my biological mother?
"I have no problem with that."
Anyway, Lu Zhou did not have any interest in doing anything wrong. He was only here to work.
As for the surveillance, the library and classroom were full of surveillance cameras. He was already used to it.
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