Xueba: If You Don’T Work Hard, You Will Die

Seeing that Huang Bin successfully solved the problem, Jiang Huaishu took out a few hundred-yuan bills from his coat lining pocket and patted them on the table. He pointed to the angry islander, and said to the female bartender in Japanese: "Beauty, this It's our drink money, this opportunity to be free is given to these two young people."

"ばか野郎! (Asshole!)"

The beautiful bartender didn't hear Jiang Huaishu's Japanese clearly, but Shohei Iimura did, and he stood up angrily and glared at Jiang Huaishu.

"Oh, I understand this sentence!" Zhang Tao on the side can understand this "baga" even though he can't speak Japanese.

Jiang Huaishu glanced at Shohei Iimura, and continued to speak in Japanese: "Don't be so powerless, your powerless anger will only make me feel better!

This is not the only problem in the bar, we solved this one and invited you to drink, just so you can solve the next one, invite us to drink~"

Jiang Huaishu acted indifferent, but officially this kind of "indifferent" hurts the most.

"You are so shameless!" Zhu Jing Moyou, who had been silent all this time, spoke, the girl's voice was really soft.

"Thank you for the compliment!" Jiang Huaishu shrugged indifferently.

This made Zhu Jing Moyou punch the cotton, her brows were already wrinkled, looking fierce.

She has been beautiful since she was a child, beautiful girls will always be treated preferentially, and she is now the heir of the Suijing Foundation, everyone dotes on her and respects her, except for Jiang Jun who met in junior high school, no one makes her so angry .

"He, his smell?" And suddenly, Zhu Jing Moyou seemed to smell a smell she was very familiar with, which was the smell lying on Jiang Jun's broad chest in her memory.

"Crack!" Zhang Tao snapped his fingers, and said to the beautiful bartender, "Beauty, change the topic and let this foreign friend show off!"

Zhang Tao really wants to see what level this proud nobleman from the island country is!

Seeing that a new topic was about to be changed, Zhang Tao approached Jiang Huaishu, and said, "Jiang Er, give Bin Er a chance to pretend, and it's my turn next."

Jiang Huaishu said, "Can I say that I just happen to know that question!"

Zhang Tao touched Jiang Huaishu with his shoulder, and said with an "I understand" face, "It's okay, you will make another one if you have everything together."

Zhang Tao said: In terms of problem solving, don't believe what the "xueba" said that I can't!

Jiang Huaishu shrugged his shoulders. The questions in the bar were all math questions for postgraduate entrance exams. Jiang Huaishu was just a freshman who had been in school for three months. He really just finished reading "Linear Algebra" and just happened to know Huang Bin's one. question!

But it doesn't matter, Huang Bin has already solved a problem, anyway, they are already invincible.

 …

The bartender at the bar is someone who watches the excitement and is not afraid of big things, and doesn't care about the hundreds of dollars in free bills. He really changed the topic again:

"In order to understand the accuracy of a balance, an engineer uses the balance to measure the mass of an object n times. The mass u of the object is known. Let the n measurement results X1, X2, ..., Xn be mutually Independent and all obey the normal distribution N(u, o2), the absolute error Zi=|Xi-u|(i=1, 2, 3,..., n) of the n measurements recorded by the engineer, using Z1, Z2,...,Zn estimate o

1. Find the probability density of Z1;

2. Use the first-order matrix to find the matrix measurement of o;

3. Find the maximum likelihood estimator of o. "

"Damn it, this seems to be a math topic for my postgraduate entrance examination!"

As soon as this topic came out, a classmate sitting in the corner of the bar became excited. He suddenly felt like a college student who was reborn and returned to high school to take the college entrance examination again!

Another classmate B asked, "Are you still doing it now?"

Although the male student remembered this question, he had long forgotten how to solve it, but he said sternly: "I can't, but I can Baidu!"

Classmate B said, "So, do you want to be a traitor?"

Classmate A said: "Why should I tell that little day, I will do it myself! Not only will it be free of charge, but it may even win the favor of that beautiful woman!"

Classmate B shrugged: "Okay, then you can go!"

Student A has recognized Jiang Huaishu a long time ago. After all, Jiang Huaishu's handsome face is highly recognizable, and both Yenching University and Shuimu University are showing off Jiang Huaishu overwhelmingly. He said, "Forget it." , that is Jiang Huaishu, the most favored junior in our entire Wudaokou School of Finance! I dare not mess with him!"

The students of Yenching University on the table next to me became upset when they heard this, and turned their heads and scolded: "Fart! Jiang Huaishu is from Yenching University, okay! I've never seen you so shameless!"

 …

"drop!"

Jiang Huaishu didn't notice other people's discussions about him. He just looked at the newly changed title of the bar, and then the [If you don't work hard, you will die] system issued another reminder:

"Do you want to spend 1% of your physical condition to exchange for a solution?"

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