"Today, let's do an interesting math problem!"

While talking, Lao Tang drew a 5*5 grid on the blackboard.

Lao Tang pointed to the grid on the blackboard and said, "The question requirements are as follows: In this 5*5 grid, fill in a total of 25 numbers, 1~25. Make the sum of the five numbers on each row, column, and diagonal line equal!"

"Do you all understand the question? It is the sum of twelve sets of numbers in total equal to each row, column, and diagonal line, which is considered to be the completion of this question." Lao Tang continued with a smile. "This is a question that exudes thinking and does not require much complex problem-solving steps. Everyone can try it. The first one will have the right to get the mathematical simulation paper I just published! There is also my own free review opportunity!"

Everyone's mouth twitched.

Teacher, your reward is a bit... fresh and refined!

Although they were not interested in the rewards proposed by Lao Tang, they did not stop their quest for knowledge on this question.

25 consecutive numbers, fill in a 5*5 square.

If in terms of possibility, there are 1.5511210043331 × 10^25 possibilities.

If you try one by one, it will definitely be a lifetime series.

Therefore, we must find a different approach and think about problems with divergent thinking.

A simple solution to the problem must exist, it depends on whether they can think of it.

Mu Leng frowned slightly, staring at the 5*5 grid drawn on the draft paper in a daze. He had no clue in his head.

"What are the rules?" Mu Leng murmured softly.

Su Xiaoxiao, who was sitting next to her, didn't even hold a solution to this problem. She blinked her big watery eyes and looked at Mu Leng.

"Mu Leng, do you have any ideas?" Su Xiaoxiao looked expectant.

Mu Leng smiled bitterly and shook his head, "There is a mess in his head and he has no clue at all."

"Hmm? Is this question so difficult?" Su Xiaoxiao was so happy. As a primary school bastard, all the questions were difficult, so she didn't feel anything.

Seeing Mu Leng say it was difficult, it should be very difficult! A primary school bastard like her can only look up to her.

"Luckily, I didn't waste my time." Su Xiaoxiao praised his wit.

Others say I am a melon, but I am not a melon at all!

Su Xiaoxiao held her chin with her hands and said with bright eyes, "Hey, Mu Leng, do you think Cheng Nuo can do this question?"

"He..." Mu Leng remembered the heavy surprise that Cheng Nuo had given him recently and smiled slightly, "He should be able to do it."

…………

On the podium, Comrade Tang and the old god were sitting with his eyes narrowed.

Holding a thermos cup in one hand and blowing the heat gently with your mouth.

What is placed in the thermos cup is not tea, but Chinese medicines such as wolfberry and angelica that nourish the stomach.

Old Tang took a sip of joy and couldn't help but recite a poem in his heart.

When people reach middle age, they have to soak wolfberry in a thermos cup.

Wolfberry is hard to stop the years, add some angelica to the cup.

Angelica is hard to stop the knife of time, ginseng and deer antler with small roasted rice.

Although Xiao Shao is good and expensive, deer antler is more affordable.

Although the leek waist flowers are affordable, Huiyuan Kidney Treasure still needs to be fed.

Huiyuan Shenbao is not delicious enough, and the bull whip can reach the stomach.

The bullwhip and the deer whip are a bit crazy, and you still have to eat Huang Shanghuang.

Ahem, it's been a bit far...

Old Tang put the thermos on the table, opened his squinting eyes, and looked at everyone under the podium.

The students were all calculating honestly. Some people had already written three or four pieces of paper.

Mu Leng also had a little thought.

Since the sum of each row and each column is equal to a fixed number. Then this fixed number is easier to calculate. 1~25 25 numbers are all added together and divided by 5, which is the fixed number - 65!

Then……

Then Mu Leng got stuck! He got stuck for five or six minutes without any progress.

A very tragic ending.

On the podium, Lao Tang looked around for a week with satisfaction.

Suddenly, when his eyes caught a corner, his face became a little unnatural.

Because he clearly saw that Cheng Nuo, who was sitting in the corner, was actually... memorizing words!

Lao Tang remembered that he told Cheng Nuo that in mathematics class, after completing the tasks assigned by himself, he could review other subjects.

Could it be... Cheng Nuo has figured out this question?

It's impossible! If you don't know that rule, there's no reason to think of the correct answer in such a short time!

Old Tang was confused.

Old Tang stood up and clapped his hands to attract everyone's attention.

"Have you made it?" Old Tang asked with a smile. "If you make it, you can try it."

Most of them are answers that shake their heads.

Old Tang gradually turned his gaze on Cheng Nuo.

Cheng Nuo, who was memorizing words in a low voice, suddenly felt the anus tightening. As soon as he looked up, he saw Lao Tang's smiling face.

"Cheng Nuo, have you come up with the answer to this question?" Old Tang said with a smile.

"Well~, if any other students do it, give him this precious opportunity. A set of math test papers means nothing to me. Because I have no room for improvement in the field of mathematics in high school." Cheng Nuo shook his head and spoke with a sigh.

All the class + Lao Tang: "..."

This pussy... is really impressed by us!

I'll give you 1024 likes, plus a website!

Comrade Lao Tang coughed unnaturally, and after a few seconds of slowing down, he returned to his normal expression and spoke to the whole class, "Apart from Cheng Nuo, do you know this question?"

At this time, the whole class actually wanted to say that he could. He slapped Cheng Nuo in the face hard.

What can I do...

IQ can't keep up!

My scalp was almost bursting, but I still... I didn't come up with any feasible solution.

They all feel now that their heads and Cheng Nuo's heads are of the same brand!

Why can Cheng Nuo have such smart and wise minds...

And my brain is not as effective as Naizi!

Seeing that no one responded, it was within Lao Tang's expectations. It was normal that no one would solve this question within ten minutes.

As for Cheng Nuo...

Well, this guy is not included in the normal human sequence.

"Since no one raises his hand, then come up and do this question." Old Tang said helplessly.

“OK!”

Cheng Nuo smiled faintly and stood up from his seat.

Walking onto the podium with an extremely cool stance.

If you have another BGM at this time, it would be even better!

"How lonely is invincible, how empty is invincible, how lonely is invincible, how lonely is invincible, how empty is ~ independent in the cold wind, let the cold wind blow by~"

How about it, does this BGM feel very good?

Lao Tang made a gesture of asking Cheng Nuo.

Cheng Nuo picked up a piece of chalk with a faint smile on his mouth.

"Isn't it just a Rubik's Cube Matrix? Simple!"

………………………………………

Call friends for recommendations!! The world is urgently aided!!
Chapter completed!