"Presumably everyone already knows the results of the exam, whether you fail the course or not, I hope you can treat it with a normal heart, those who hide in the bed and secretly wipe their tears, those who are so depressed that they can't sleep, and begin to doubt the glass heart of life, I advise you."

"Change majors as soon as possible! Keyboard application doesn't believe in tears, and if you experience this little setback, you're going to die, and it's not of much use to go out of society in the future. ”

Chen Bo turned his head sideways and lowered his voice and said, "Has Mr. Xu changed someone today?" It's always ironic and ridiculous, why is it just hard? ”

Wang Xu deeply agreed with Xu Jianren's remarks, "What he said is quite reasonable, such a trivial matter as the exam, crying and crying is really not like words, everyone is an adult, do you have to be coaxed in a good voice for everything?" The teacher just chose the most straightforward way to communicate. ”

"And it's very efficient, I believe that a group of people will be persuaded to quit in the next few days."

Chen Bo interjected, and when he looked around, a female classmate had a solemn expression, and the mobile phone in his hand didn't know what she was reading, and there was an uncontrollable one who had already hidden her face and sobbed in a low voice.

"The further this major goes, the more pressure it will be, and if you can't bear it now, it's better to get rid of it as soon as possible."

Wang Xu pinched his fingers, passed the elementary keyboard warrior, and the intermediate exam was officially put on the agenda, which is also the highest peak that most students can reach.

For those who have mixed academic qualifications, holding a primary certificate can already fool a group of laymen, and it is not a problem to deceive financing and hold a few lecture tours to marry Bai Fumei.

After Xu Jianren finished his speech, he planned to use the time of the two classes to explain a few representative problems to the students in response to yesterday's exam questions.

"Isn't our question bank different?" Chen Bo was surprised.

Wang Xu said: "Yes, everyone's is different, and a question will never appear in the question bank of the two candidates." ”

"What's the point of explaining?" Chen Bo was even more stunned now.

Wang Xuwen explained in a crepe manner: "The endless sea of learning, on the one hand, is the accumulation of basic knowledge, and on the other hand, it is the integration of problem-solving ideas. ”

The first question explained by Xu Jianren is to calculate the crash site of the scrapped satellite, which is known to fall into a circle with Nemo point as the center and a radius of 2000KM, and the conditions given in the question include the initial velocity at the time of falling, the friction of different atmospheres, and the wind in the sea area at that time.

"Is there any student who doesn't know what a Nemo dot is? Trouble raise your hand. Xu Jianren looked around, but no one in the seat responded, so he randomly selected an unlucky classmate to answer the question.

"It's you."

Chen Bo was frightened, fortunately it was next door who was hit, in fact, he was thinking about whether to lift it before, but seeing that no one in the class lifted it, he didn't dare to raise his hand for the sake of face.

The selected student said unhurriedly: "Nemo Point, officially known as the Ocean Reach, is the most remote point on the earth's surface from the land, and the nearest land mass is 2,688 kilometers away from the local area. This site is isolated from land, ship routes and ocean currents, and there are few traces of human activities and other organisms in the sea area where it is located. ”

"I'm going, am I really the only one who doesn't know?" Chen Bo didn't dare to squeak.

"What are the exact coordinates of Nemo Point?" Xu Jianren asked.

"Located in the middle of the South Pacific Ocean, the coordinates are 48°S123°W." The old brother is calm and composed.

Xu Jianren smiled, motioned for the other party to sit back in place, and further refined the answer, "Very good, but you can go further, the coordinates are 48°52.6′S123°23.6′W." ”

"How do you do this? Honestly build a model and then set a mathematical formula? ”

Wang Xu tentatively calculated the known parameters, the workload is not ordinarily large, and if you really want to forcibly solve the answer, it will not work for an hour.

Just as everyone nodded, Xu Jianren emphasized: "Have you noticed the volume of the satellite, in fact, the satellite will not fall into the sea at all, it will be burned clean in the atmosphere as early as possible." ”

"Is that so?" Chen Bo was in a trance.

"It's beyond my knowledge." Wang Xu scratched his head, and he said yes.

Xu Jianren continued: "There is also this question, drawing an equilateral octagonal shape with a ruler and gauge, who can't do it?" ”

Chen Bo, who had a precedent, raised his hand honestly, and those who knew the times like him were junjie accounted for more than half of the classroom.

"Why wouldn't you?" Chen Bo looked at Wang Xu, this person raised his hand, and even raised two.

"Lest you be called up and make a fool of yourself." Wang Xu smiled.

"You, teach them."

Xu Jianren pointed to the stage without raising his hand, the female classmate was timid, walked restrainedly, and walked a hundred meters away from the hurdles in three steps.

She opens a blank sketchpad and uses the midpoint of the biagonal line to establish the center of the circle, draws a circle with any radius, then uses the four tangents of the circle to establish an inscribed square, and then connects all the endpoints of the four symmetrical lines to get a regular octagon.

"The artboard for the exam doesn't have a crease feature."

Xu Jianren pointed out the flaw of this approach, and if the center of the circle could not be established through the diagonal, nothing would have been possible after that.

"First draw a regular quadrilateral with a ruler and a ruler, connect the diagonal lines of the regular quadrilateral to establish the center of the circle, and then follow the steps according to the order of the female students' demonstrations." Wang Xu put forward suggestions for improvement.

As Wang Xu said, it took the teacher less than three minutes to complete the drawing.

"The exam is a regular eleven sides, and it takes so much time to draw a regular octagon, so don't score this question." Xu Jianren's words changed sharply, which surprised everyone.

"You have to know how to make trade-offs, your goal is not to pursue a perfect score, but to pass, some questions really don't want to be stubborn, some questions seem simple but actually hide traps, don't believe in this question."

"In 2035, a start-up company in Yuanyu City will achieve a profit of 32 million yuan, quadrupling from last year, and ask how much was the net profit last year?"

Chen Bo tinkered with both hands: "Quadrupling is quadruple, four times more than last year, so last year's profit was 8 million yuan, but the question asked about net profit, what is the tax rate?" ”

Wang Xu added: "According to the relevant tax laws, corporate income tax = 25% of total profits× and if it is a high-tech enterprise, it can enjoy a 10% income tax exemption and pay 15% of the total profits. ”

"So is this startup a high-tech enterprise?"

Wang Xu agreed: "Generally speaking, yes, otherwise create a Jierye." ”

"6.8 million, is this answer correct?" Chen Bo always felt that it was not so easy.

"You're missing a very important piece of information."

"Really?" Chen Bo re-examined the topic and found clues.

"What important information does 2035 contain?"

"From 2025 to 2035, in order to encourage start-ups to settle in Yuanyu, the government has introduced a tax reduction and exemption policy, and 50% of the tax paid will be refunded within the current fiscal year."

"Is this an easy question?" Chen Bo thought about the problem he had done before, just like the ninety-nine multiplication table memorized by a primary school student.

"Well, it's already an entry-level level."

Chen Bo: "....."

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