Xueba, I beg you to go and escort him quickly!

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Xu Zongyun, "%￥#￥￥..."

"Brother! Tell me about these questions! I'm really desperate!"

Xu Zongyun had a bitter face.

Xu Heng sighed, "." Okay, let's look at this question first. "

It was the one that Xu Zongyun regarded as a biological problem.

Xu Heng, “Because the residual points of model ① fall relatively evenly in the horizontal band-shaped area, and the width of the band-shaped area is narrower than that of model ②, the fitting accuracy of model ① is higher, and the prediction accuracy of the regression equation The response will be higher, so model ① is more appropriate."

Xu Zongyun, "Wait, wait! Brother! What do you mean by fitting accuracy and forecasting accuracy?"

Xu Heng, "Uh..."

Xu Zongyun, "%￥##...???"

and so!

Xu Heng didn't want to give lectures to scumbags!

Tell you that one plus one equals two, but you still have to ask why it equals two!

Poisonous!

Xu Zongyun looked at Xu Heng, and he blinked his doubtful eyes.

"elder brother……"

Xu Heng sighed, "This has nothing to do with the problem."

Xu Zongyun pouted and became tangled.

Xu Heng, "%￥#￥..."

Ignore this guy and ask the second question directly.

If he is tangled, let him be tangled!

It's useless to ask these questions all day long!

Xu Heng was furious!

After the second question was finished, the test paper was returned to Xu Zongyun, "Do it! Let me do the rest!"

"Wait until I come back."

Xu Zongyun, "???"

"Brother! Why are you going! I gave up the exam! Are you busy?"

Xu Heng rubbed his temples, "It's all right!"

Xu Zongyun curled his lips, "Really... all right?"

Xu Heng glared at him, "Want to hear the truth?"

Xu Zongyun nodded.

Xu Heng, "I'm afraid I think you're stupid, I can't hold back, I'll beat you up!"

Xu Zongyun, "!!!"

Nima!

This insult is too strong!

Xu Zongyun asked himself, "Am I really... stupid?"

I go……

It's too hurtful!

Xu Zongyun hesitated to speak, and silently lowered his head.

Xu Heng ignored Xu Zongyun and went downstairs.

They also play mahjong in the mahjong room.

Xu Heng walked around, and Yue Pingting followed.

She asked curiously, "How's it going? Still doing (of)?"

Xu Heng looked like he hated iron for being weak, "I gave up the exam! Say my questions are difficult!"

Yue Pingting frowned, "What if it's really difficult!"

"You go and have a look?"

Yue Pingting nodded.

Going upstairs with Xu Heng, Yue Pingting always thought that Xu Heng's question was too difficult.

But as soon as she walked into the study, Yue Pingting tilted her head and looked at it, feeling relieved.

Disaster?

nonexistent!

A week before the winter vacation, Yue Pingting did all these questions badly.

"It's not difficult... why did he give up the exam?"

Yue Pingting murmured.

The sound is very small...

But in Xu Zongyun's mind, it was like a huge thunder!

Simple?

Such a question, you still say it is simple!

I'm going to go!

What level of super perverts are you all! ! !

At this time, Yue Pingting suddenly thought of something, pulled Xu Heng aside, and muttered, "Xu Heng, the difficulty of the questions varies from province to province! Are you overestimating Xu Zongyun?"

Xu Heng frowned slightly, "But it's not that bad!"

Yue Pingting scratched the back of her head and smiled, "That's not necessarily true, why don't you let his classmates do it too?"

Xu Heng returned to the study.

"Is this set of test papers really that difficult?"

Xu Zongyun didn't know whether he should nod or shake his head.

His whole body is in a mess!

Xu Heng, "Distribute the test papers to your classmates! Isn't there a man named Zhuang in your school? He has participated in the Math Olympiad competition. Let's see what he has to say about this set of questions."

Xu Zongyun nodded, "Okay!"

He immediately took pictures and posted this set of questions to the group.

"@All Members! My brother gave me a question! It's rare for me to give up the exam! But he thinks I'm too stupid!"

"I'm so difficult! Look at the topic, do you think it's difficult?!".

Chapter 255

"It's too difficult! Anyway, I failed!"

"The mentality is broken! The whole person is cracked!"

"@庄晓然, my brother said that you have participated in the Olympiad! It is an international competition! You should think there is no problem!"

“@All Members, let’s try it together!”

After Xun Zongyun sent a message in the group, many people showed up.

"What's the matter? A test paper?"

"The test paper issued by Mr. Xu Heng? Xu Zongyun, why did you give up the exam! You don't know your blessings in the blessing! We want Mr. Xu Heng to give us the test paper, but it's too late!"

"Yeah! Violence! You boy!"

"You're one of the top ten in our class anyway! It's so difficult to be sure? Didn't you pass?"

"Xu Zongyun, tell the truth, are you exaggerating on purpose to attract us?"

Xu Zongyun sighed resentfully, "Why don't you believe me!"

"You must trust me!"

"It's true! It's all true!"

"I really lost my mind! I can't pass the exam!"

"This is not a set of mathematics test papers, it is obviously a comprehensive test paper of geography, chemistry, biology, current affairs and mathematics!"

"I've never seen such a perverted subject!"

"I think! The questions in the Mathematical Olympiad are not so perverted!"

"Go and have a look! I'm waiting for your good news!"

"Anyway, I surrendered!"

Many people in the group did not believe that this test paper could be so difficult!

After all, compared with Xu Zongyun's results, their grades are about the same.

Even if he is No.1 in the class, he knows that the gap between him and Xu Zongyun is not that big.

So he didn't dare to be ashamed, and even more cautious.

At the same time, it is also very uncomfortable.

Because Xu Zongyun said that he failed the exam, doesn't that mean that they all failed?

Even if they were stronger than Xu Zongyun, they were only a little bit stronger, which was useless at all.

One by one is not reconciled!