In the evening, two little girls were lying next to the bed and watching what the teacher said during the day. In the ranking of the monthly exam, Feng Xiner was the first, failed all classes, with an average score of only 10 points, and Du Jia was the second, with an average score of 7 points higher than Feng Xiner. The two little girls who were only six years old were sharing hardships.

Due to the pressure of the monthly exam, the two little girls started to stay up late to read books. However, the knowledge of mecha design and all the problems with calculations must be based on advanced mathematics. For Feng Xiner and Du Jia, who have not even understood the addition, subtraction, multiplication and division of the primary mathematics, the thin-looking book is comparable to the Heavenly Book.

Originally, according to the Imperial Academy's policy, the two little girls slept in one room, but just a few days after school started, Feng Xiner and Du Jia worked together to move the two single beds to one room, and with their efforts, they formed a large double bed. At that time, their reason was that they could discuss the difficulties encountered in their studies every night before going to bed, and that was chatting and fighting.

However, judging from the performance over the past month, when the two discussed the difficulties encountered in the book, the probability of getting the correct answer is basically zero. Sleeping together is mainly convenient for chatting and fighting.

"Will you do this question?" Feng Xiner pointed to the example question in her hand and said.

"Ah, why are you painting next to the book? What a cute giant panda head." Du Jia glanced at the page Feng Xiner pointed to and said.

"This is my brother Feng Wushuang, which is a giant panda. What's my question?"

"I don't study hard in class. Now I know I'm anxious. It's too late. I don't understand it either. I'm multiplying this question, and I haven't seen two symbols in the basic mathematics book. I haven't finished memorizing the multiplication table yet, and I'll be dizzy after reading it for a while."

"You use the class time to read basic mathematics secretly, but how can you understand the teacher's lecture?" Feng Xin'er said, pointing to the basic mathematics theory borrowed from the library by the two people on the other end of the bed.

"It's better than the little girl who doesn't concentrate on listening to the class in class and misses her brother. It's better to draw Brother Wushuang's avatar. Feng Girl, do you think Brother Wushuang can really come to make up for us tomorrow night?" Looking at the clock on the wall, it was already midnight, Du Jia put the book on and asked Feng Xin'er, who was also lying on the bedside.

"Brother said, I will definitely come."

"Then do you think Brother Wushuang can understand these annoying formulas?"

"My brother is a genius. Besides, no matter whether he understands it or not, just come with me at night. At worst, I can stop the grade." I'm going to eat candy and go to bed. Feng Xiner was not sure about this. She couldn't understand these hateful exercises at all. My brother, like me, did not have any professional teacher tutoring before going to school, and it was probably difficult to understand these questions. Feng Xiner's average score in the monthly exam was all due to multiple-choice questions. Each paper had 40 points in a single choice question. Feng Xiner chose A all the time, and Du Jia chose ABCD back and forth. As a result, Du Jia was more familiar with Feng Xiner's score than Feng Xiner.

"Give me a lollipop." Du Jia looked at Xiao Feng's girl beside her and took out the box containing lollipops from the head of her bed, took out one and put it in her mouth to hold it, and a satisfied smile appeared on her little face.

"If you don't give it, this box contains a number of numbers. You can only take two pieces a day, one of me and one of my brother."

"Stingy."

"No," Feng Xin'er said.

Then the two little girls started to play on the bed, scratching each other and getting tired of scratching each other, so they started to wash and then lie on the bed to sleep.

－－－－

The next night, after Xia Ge Du Jia and Feng Xiner finished supper, the three of them held their hands and walked towards Du Jia and Feng Xiner's residence.

When they arrived in the house, Du Jia and Feng Xiner made a preparation on the sofa in the living room, while Xia Ge pasted the white paper on the wall, and used an oil brush to start giving lectures to the two little girls on the wall.

"From the first page of the book, Example Question 1, this is a very simple calculus principle operation problem. The first thing to understand is basic mathematics. "Xia Ge held an oil brush in his hand and tried to slow down as much as possible. He began to talk. He knew that the academic foundation of the two little girls sitting opposite him was definitely zero-foundation, so he taught from zero-foundation. With Professor Xia University's talent, it was still very easy for Xia Ge to learn how to learn the students with zero-foundation as quickly as possible.

The two little girls sitting on the sofa opposite, at first thought Xia Ge was just doing it, but after listening to a question, Feng Xiner and Du Jia were surprised to find that they had completely understood the question, not only this question, but this type of question. Even if Brother Feng Wushuang didn't explain the following questions, they could still calculate them.

They had been in class for a month, but they had never understood a single question. Now they understood a question so simply, which made Du Jia and Feng Xiner unable to believe it was true.

Xia Ge continued to speak with an oil brush, slowly analyzing it. All the formulas involved will be given to Du Jia and Feng Xiner who are attending the class in the simplest and easiest way. The two little girls were also attracted by Xia Ge's lecture style.

Time passed by two girls with no foundation after listening to the class inadvertently. When Xia Ge felt his throat was dry, he looked at his watch and it was already eleven o'clock in the evening. He started speaking from 8 o'clock and had been talking for three hours in a row. He had already finished the courses of Feng Xiner and Du Jia for a week. However, to make the foundation of the two girls stable, Professor Xia knew that it would take at least more than a month of tutoring.

"Ahem, that's it. Brother is tired. How can you be so good?" Feng Wushuang said, walking between Du Jia and Feng Xiner and sat down.

"Brother, you are so awesome. Xin'er understands it. Why do you have so many?"

"Yes, Feng Wushuang, why are you so many?" Du Jia was completely stimulated by Feng Wushuang's performance today. She originally had no hope for Feng Wushuang's lecture, but she didn't know that the course of only three hours actually made herself understand many of the problems in the books, and the basic mathematics knowledge became clearer with Feng Wushuang's explanation.

"I went to the library to borrow books yesterday. I am a genius." Xia Ge replied with a smile.

"It's so late, brother, don't go back, stay with us." Feng Xiner held Xia Ge's hand and said happily. Because Xia Ge's lecture allowed Xiner to understand a lot of knowledge in the book at once, Xiner had a little confidence in the next exam and got rid of the shadow of retention.

"Yeah, okay." Xia Ge was moved restlessly when he heard that his sister was actually pulling him to live with him. Without a trace of hesitation, he quickly agreed, thinking that it was not in vain to give a lecture.

After packing the books, I found that it was very different to live and sleeping together. My sister and Du Jia first went to the house to change their pajamas, then took out several large thick quilts from the cabinet and made a floor for Xia Ge. Seeing the scene where two little loli in pajamas were busy making floor for themselves, Xia Ge thought in his heart that expectations were a little different from reality.
Chapter completed!