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Chapter 71 Math Teacher Black

Arrive at the classroom.

Bai Ye still chose to sit with Parker.

Of course it's not that he doesn't like Michaela, but that he has always developed a good habit of not taking the initiative, refusing, and being irresponsible.

Especially for a high school girl like Michaela, if she takes the initiative to pursue her and breaks up with her, things will become very troublesome.

On the contrary, if it was all Michaela who took the initiative to pursue him, then everything would be much easier to explain.

Well, in love, it is very important to grasp the right to passivity!

"Parker, there are quite a few high-quality girls in your class!?"

Bai Ye looked around and said to Parker:

"You didn't let me know earlier, otherwise, I wouldn't be able to come and take you to school every day?"

Parker: "..."

He had never been so speechless in his life.

Uncle Bai Ye is always able to do things that leave him speechless.

"Uncle Bai Ye, it's not good for you to have sex with girls in high school." Parker said earnestly: "It's easy for the police to catch you."

"But aren't you generally 17 years old? At this age, the police still arrest people?"

Bai Ye looked at Parker with an expression that said, "I don't know much, so don't lie to me."

"But it doesn't matter. Uncle Bai Ye knows many people, including the NYPD, FBI, CIA, Department of Homeland Security, or SHIELD. Even if he breaks the law, it will be fine."

"As long as I protect you, you can do it in the future! Although I can't let you rise to success and become the mayor of New York tomorrow and the governor of New York a week later, no matter how many people you take turns to have sex with, I will keep you safe.

nothing!"

Parker: "..."

"Uncle Bai Ye, tell me the truth. The people you said you know from the NYPD, FBI, CIA, and Department of Homeland Security are all women, right?"

"How could it be!" Bai Ye said without blushing or breathing: "Didn't you see the Mediterranean Coulson who came before? Is he a woman?"

Parker thought about it and it seemed like the same thing.

Although Uncle Bai Ye has many female friends, he also has many male friends. For example, the playboy Tony Stark is a good friend of Uncle Bai Ye.

The class bell rang.

Wearing high heels, a female teacher walked in.

A fair and beautiful face, aqua blue eyes, exquisite facial features, and delicate skin.

She is tall, wearing an OL outfit, with a slender waist tied under the belt, and a round and plump buttocks wrapped under the skirt, giving her a perfect gourd figure.

Her slender thighs were wrapped in white stockings.

It's really slim and graceful.

"Parker, I suddenly feel that you are right!" Bai Ye slapped him on the shoulder and said, "I am already an adult. I shouldn't fall in love with girls, but with adults.

!”

Parker had already discovered that Uncle Bai Ye was staring at their math teacher Black.

He slapped himself in the face.

Are you planning to fall in love with my teacher again?

Uncle Bai Ye, can you be a human being?

"Parker, tell me, what is your identity as a teacher?"

Bai Ye asked eagerly.

"She is our math teacher, named Blake Hobbs..."

Parker still patiently explained it to Bai Ye.

Because it is much better for him to hunt female teachers than to hunt female students.

"Hobbes?"

In Bai Ye's mind, an image of a bald head appeared:

"It can't be him, right?"

"Whatever, even if it's him, I recognize him as my father-in-law."

in class.

When Blake was lecturing, his aqua blue eyes would peek at Bai Ye several times from time to time.

Handsome men like beautiful women, and beautiful women also like handsome men.

If his looks are as good as Bai Ye's, women may come and harass him anytime, anywhere.

"Students, today's lesson ends here. Now we are going to take a short test."

Blake handed down the experimental questions.

"I'll wipe it!"

Bai Ye was a little confused.

If you come to class by yourself, will you still be tested?

This made Bai Ye instantly return to the shadow under the rule of Teacher Gao Shu.

A bum echoes in my mind:

"My answer is messy, at the bell time."

"With my trembling right hand, I write, The Law of Lópida."

"The white pigeons playing outside the window are happy by the lake."

"And I kept explaining intermittently, why can it be guided?"

"Is there a limit? Let's say infinitesimal substitution."

"What's wrong? It's wrong. It's strange."

"The formulas are getting longer and longer, and the unknowns cannot be eliminated."

"The function in the interval is no longer continuous here."

"What's wrong? It collapsed. What's the problem?"

"Oops, I miscalculated. I've run out of scratch paper."

"Rohr and Lagrange's Cauchy theorems, and Taylor."

"I don't even remember what those incomprehensible formulas are..."

There was no other way, things had come to this point, Bai Ye had no choice but to force herself.

Open the test paper and take a look.

"As shown in the figure, in the square pyramid P-ABCD, AB∥CD, ∠BAP=∠CDP=90°."

"1. Prove: Plane PAB is perpendicular to plane PAD."

"2. If PA=PD=AB=DC, ∠APD=90°, find the cosine of the dihedral angle A-PB-C."

"Well……"

Bai Ye looked at the test paper and fell into thinking:

(1) From what is known, we can get PA⊥AB, PD⊥CD, and then from AB∥CD, we can get AB⊥PD. Using the judgment of line and plane perpendicularity, we can get AB⊥ plane PAD, and further get plane PAB⊥ plane PAD;

(2) It is known that the quadrilateral ABCD is a parallelogram. From (1), the AB⊥ plane PAD is known, and AB⊥AD is obtained. Then the quadrilateral ABCD is a rectangle. Let PA=AB=2a, then AD=2√2a. Take

The midpoint O of AD and the midpoint E of BC are connected to PO and OE. With O as the origin of the coordinates, use the straight lines of OA, OE and OP as the x, y and z axes to establish a space rectangular coordinate system and find a method for the plane PBC.

Vector, and then prove that PD ⊥ plane PAB, we get that vector PD is a normal vector of plane PAB. From the cosine value of the angle formed by the two normal vectors, we can get the cosine value of the dihedral angle A-PB-C...

"Hey, I can still do it!"

Bai Ye began to write furiously on the test paper.

Parker next to him looked confused.

He always thought that Uncle Bai Ye was ignorant and incompetent. In the end of this exam, he would definitely have to copy his own test paper. Unexpectedly...

Uncle Bai Ye can actually do it himself?

"Student Parker, do your own questions. You can't look around."

Teacher Black kindly reminded Parker.

Parker's face turned red in an instant, and he quickly lowered his head and did his own test questions.

As the get out of class bell rang.

"Okay, time's up."

Blake smiled and said:

"Can everyone please hand in their test papers?"

"That classmate next to Parker is you. Help the teacher take the test papers to my office. Thank you!"

Bai Ye was slightly startled.

Then he smiled.

It seems that Teacher Black is preparing to teach him some profound knowledge alone...


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