Movie Storm!（!!）
"Auntie Wang! Auntie Song! Little…"
Under Qiao Yingzi's warning gaze, Lin Fan swallowed the words " little crybaby " that were about to come out of his mouth.
"Yingzi!"
"What are you guys doing?"
Lin Fan asked as he turned to let Mother Wang, Song Qian, and Qiao Yingzi in.
Mother Wang walked to the kitchen with the fruits wrapped in gift boxes as she explained why Song Qian and Qiao Yingzi were there.
" Lin Fan, you still don't know, right?"
"The owner of this house is actually your Aunt Song Qian!”
Lin Fan was speechless.
Lin Fan really didn't know that the house he was staying in was Song Qian's property.
No wonder this house was above Song Qian and Qiao Yingzi's house.
It was no wonder that he had learned to rent this house to him in the spring breeze.
So there was such a reason!
"When I went downstairs just now, I bumped into your Aunt Song Qian.”
"She heard that you were tutoring Xiaodi, so she wanted you to tutor Yingzi too.”
"Then I brought the two of them up to take a look.”
Hearing this.
Lin Fan looked at Mother Wang, who was busy in the kitchen, in surprise.
He thought that Mother Wang had promised Song Qian everything.
Unexpectedly.
This middle-aged woman who seemed out of place was actually quite reliable.
Was she worried that he would be angry?
……
"A sheep is also released, a group of sheep is also released!”
"Since Auntie Song Qian wants me to help Yingzi with her math, let's do it together!”
Lin Fan took the peeled grapefruit and peeled pomegranate from Mother Wang and said nonchalantly.
Qiao Yingzi was speechless.
Wang Yidi was speechless.
"Beep beep! [Resentment Points from Wang Yidi: 77]”
"Beep beep! [Resentment from Qiao Yingzi: 34]”
Qiao Yingzi and Wang Yidi were displeased that Lin Fan had compared them to sheep.
However, Song Qian and Mother Wang were overjoyed.
They didn't have to force Lin Fan to tutor Qiao Yingzi and Wang Yidi.
But if Lin Fan were to tutor Qiao Yingzi and Wang Yidi, the effect would be the best.
First, Lin Fan was a top student that Spring Wind High School had recruited to become the top scorer of Yanjing City's science college entrance examination. He was also the national Mathematical Olympiad champion.
If he were to help with tutoring, his specialization would be perfect.
Secondly, Lin Fan lived above Qiao Yingzi.
How convenient was that?
How much time could this save?
With the time saved, how many questions could he write?
The third year of high school was about making every second count!!
……
"Lin Fan, help Yingzi and Xiaodi with their tutoring. Your Auntie Wang and I will prepare some supplements for you so that you won't tire yourselves out.”
"Yingzi, study hard!"
"Xiao Di, listen carefully!"
Song Qian and Mother Wang finished speaking.
Then, he plunged into the kitchen and closed the door, leaving Lin Fan, Qiao Yingzi, Wang Yidi, and the others behind.
Seeing this.
Lin Fan sighed with pity and started explaining the Lagrange's theorem to Qiao Yingzi and Wang Yidi.
And the wonderful use of this theorem in the multiple-choice questions of the college entrance examination.
"Lagrange's mean value theorem is also called Lagrange's theorem!”
"It's the extension of Rolle's mean value theorem, a special case of Cauchy's mean value theorem, and the first-order form of Taylor's mean value theorem.”
"The functions studied in high school generally satisfy the conditions of the Lagrange theorem!”
"But remember, I'm only teaching you this theorem to make it faster and more convenient for you to deal with related multiple-choice questions. Don't use it on big questions!”
"Don't joke around with your future, understand?”
Lin Fan placed his hands on the dining table and looked at Qiao Yingzi and Wang Yidi with a serious expression.
Generally speaking, the college entrance examination did not strictly require one to use high school knowledge to answer questions.
However, if you used university knowledge to solve the problem, whether or not you would be given marks would depend on the mood of the grading teacher.
The college entrance examination was a battlefield where one point could kill an entire field.
Lin Fan didn't want Qiao Yingzi and Wang Yidi to ruin their futures just to show off.
As for why multiple-choice questions could be used?
That was because multiple-choice questions didn't require the process of solving the questions. They only needed the answers!!
"Got it!"
? Seeing Lin Fan's serious expression, Qiao Yingzi and Wang Yidi nodded their heads, indicating that they understood and wouldn't use this theorem on a big problem.
……
In the kitchen.
Hearing the voice outside, Mother Wang touched Song Qian's arm and asked softly,"
"Song Qian, what theorem is this? This doesn't seem like something you learned in high school, right?”
"Yes!"
"This is a mathematical theorem that can only be learned in university. Lin Fan is telling Yingzi and Xiaodi his exam techniques!”
"Good boy!"
Mother Wang was surprised to hear Song Qian's words. She became even more attentive when she helped to make the supplements.
How could he not serve such a good tutor well!!
In the living room.
Seeing that Wang Yidi was writing seriously and Song Qian and Mother Wang were busy in the kitchen, Lin Fan sat beside Qiao Yingzi and asked softly,"
"Didn't you go to the movies with Fang Yifan and Huang Zhitao?”
"Why are you back?"
"How did you know?"
Qiao Yingzi covered her mouth and looked at Lin Fan in shock.
Only the few of them knew about this. How did Lin Fan know?
……
The fourth chapter!
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