“......”

Yu Yuan closed his eyes and thought for a last time, but he still put down his hands. sighed. Shook his head helplessly.

"No, I can't. Can't think of a direction. How do you count it?"

Hehe, the problem of Han Xin's troops is really not so simple to solve.

"This requires some theorems. It's a bit difficult to calculate if you don't know. ”

Wu Yue said with a smile. The people at the next table couldn't be counted, and they all drew casually on paper. He focused his attention on Wu Yue's words.

This is also known as the remainder theorem. ”

"The remainder theorem?"

Saying this, Edla's body seemed to be shaking. Eyes began to roll.

"If you don't think about it, don't think about it. Your brain is only good for thinking of random ideas, not abstract topics. ”

Wu Yue touched her head helplessly.

"First of all, don't think things too hard. Let's start with a simple one. If you have a bunch of apples, and you have two out of three or three, and two of you have four or four of them, how many of these apples are there? Do you know? It won't be too difficult, right? ”

"14 pcs. ”

Yu Yuan said immediately.

"That's right. Beautifully said. For example, if the total number of apples is a number, it is considered A. Then the number of A minus 2 is the common multiple between three and four. ”

"Common multiples?"

When Wu Yue said this, Ai Lulu suddenly looked at Wu Yue strangely. I don't understand the meaning of this word that Wu Yue said at all.

It is a number that can be divided by two or more numbers at the same time, and simply put, it is a common multiple of two or more numbers. Just as the least common multiple of three and four is 12."

Listening to Wu Yue's words, Ai Lulu nodded.

"To continue with what I said earlier, the number of apples minus two is a multiple of twelve. Let this multiple be B. Then the formula for calculating A is also calculated. A minus 2 equals twelve times B. In other words, the number of A is 12 times that of B plus 2, and 14 is calculated when B is equal to 1. This is known as the remainder theorem. The remainder is the same as the surplus. Breaking down the problem will be as simple as this. So back to the original question. ”

Wu Yue said.

"There are three people in a row and two people, and five people in a row and two people. If we look at these two conditions first, as just now, the total number of people A is equal to the common multiple of three and five 15 times the multiple B plus the same remainder 2. ”

"Hmmm......"

Wu Yue said, and Ai Lulu looked at her fingers in distress. Edra went straight to eating, giving up thinking. Wheat was eating at the beginning and was not going to listen at all. Yu Yuan looked at Wu Yue and nodded. Serari began to draw in the small book, writing the formula that Wu Yue had just said.

"Go on. Wu Yue. ”

Serrali said.

"Then the most basic conditions are understood. The final formula is that A is equal to 32 plus a common multiple of 3, 5, and 7, and multiplied by a common multiple of 105 by multiple B. Then the number of people between three hundred and four hundred indicates that B is 3.3 times 3.35 plus 32,347. is the final answer. Got it?"

Wu Yue looked at Yu Yuan and smiled. Forget about Edra and Ellulu. I don't think the two of them can understand.

"I see. I didn't expect it to be so simple. ”

Yu Yuan looked at Wu Yue in surprise.

"The remainder theorem... It doesn't write about it in the book. Good handy theorem. ”

Serari muttered with some admiration.

The remainder theorem is not limited to this one, there are several. It's just too lazy to say more, and if you say more, you will expose too much content. It's better to be careful.

"I don't understand. ”

Edra stuck out her tongue.

"Not at all. ”

Ellulu smiled awkwardly. After all, Elulu is still a primary school student, and it is not easy to understand this problem.

"That's just what I heard by accident. I wasted a lot of effort to understand this. Of course, you can't understand it for a while. ”

Wu Yue said with a smile. Through her spiritual power, Wu Yue could also feel that the people at the tables next to her also had surprised expressions.

It's just a simple question, and you who only use addition and subtraction certainly don't understand.

"Alright. Let's eat. There's not much left, so if you're done, take a look around. ”

"Then Wu Yue, do you know where the person who taught you these things is? To be able to come up with such a subtle topic must be a very powerful person. ”

Yu Yuan looked at Wu Yue and asked.

I know. It's just not on this planet.

"I don't know. Just a passerby. When they saw me playing outside, they taught me twice. But I thought it was too much trouble and just left. I regret it now that I think about it. ”

Wu Yue said with a smile.

"That's for sure!"

Ellulu immediately stood up. Immediately I realized that I had lost my temper again. He blushed and sat down again.

"That's ...... for sure"

Ellulu blushed, but tried to speak.

"Being able to come up with such an ingenious way to solve a complex problem. His knowledge must be more than that. If you learn from him, you will definitely get more powerful knowledge. ”

“......”

Wu Yue looked at Ai Lulu a little strangely.

"What the hell, Ellulu, don't you have a math teacher?"

"Math? What's that?"

Ai Lulu looked at Wu Yue with a strange expression.

"Ah......h

Wu Yue had an expression of swallowing flies.

"It's not. What about simple calculations? What about slightly more complex calculations? How are you going to learn without math classes? Do you want to learn on your own?"

"In the first year of the elementary class, simple calculations about calculations are taught. After the exam, if you pass, you don't have to take arithmetic lessons after that. If you don't pass, you will continue to take the exam in the second year until you pass. ”

Ellulu said.

"That's it, you don't have to learn arithmetic anymore?"

Wu Yue looked at Ai Lulu in a daze.

"yes. The theoretical and practical aspects of magic and martial arts take a long time to learn. At the same time, the study of history and languages takes a long time. Add to that the study of political geography and the culture of etiquette also need to be studied. The knowledge of alchemy classes is also very difficult to understand. The courses are basically full. In the later stage, most people will basically abandon other subjects and only specialize in one subject that interests them. ”

Ellulu said.

"That's ......."

Wu Yue blinked in surprise.

"Then I didn't ask. ”

Emma, it's no wonder that technology can't advance. There are no basic algorithms and formulas for scientific and technological progress, so what else are you making progress? After all, unlike the technological evolution of their own world, the people of this world belong to the category of physical evolution. The strong man of this world can be worthy of the army of his own world. But if you really fight, I feel that the people of this world will still suffer. After all, the attack methods of technological evolution are more changeable and more difficult to prevent, and no matter how strong human beings are, they are still flesh after all. You will suffer when you fight.

If there is such a fight, the combat power of the Heavenly Realm is estimated to be much higher than that of this earthly world. It seems that he can understand why the Tyrannosaurus King lost to the Heavenly Realm in the first place.

This is also a sigh of relief. At the very least, the course won't be too difficult to learn. If you only learn the simplest arithmetic for one academic year, then it is simple addition, subtraction, multiplication and division. As for those messy physical formulas and arithmetic formulas, there are no bulls like Newton and Zu Chongzhi here, and there are no formulas that make people want to die. Sure enough, life is wonderful without those who harm others.

Wu Yue finished eating the last bit of sauce noodles in front of her. Pick up a tissue and gently wipe your lips.

"Hurry up and eat. Next, I'd like to check out the Adventurer's Guild here. ”

According to Karba, he should still travel after that. Then the Adventurer's Guild is where they have to communicate. A large part of the gold coins of his other identity have been transferred to his snow jade bracelet. However, Wu Yue found that the gold coins here were completely different from the gold coins of his other identity. The gold coin of this world is engraved with the head of a male king on the front and an eagle soaring on the back. And his gold coin has only one big G on both sides. It's completely different, and the only way to do that might be to melt it down and turn it into a nugget. However, the value of the Adventurer's Guild is not only money, it can introduce more powerful quests, but it will also be much more convenient. It's much better than looking for it yourself.

Although I wasted a lot of time just now because of thinking about the problem. But they had already started eating before Wu Yue arrived, so when Wu Yue finished eating, there was not much food in front of them.

"Sure enough, I'm still curious about the so-called arithmetic. ”

Aruru said with a low face as he chewed the noodles in his mouth.

You won't like it. I vouch for my gender. As a student who has been tormented by that thing for more than ten years, this idea is the most sincere.

“......”

Wu Yue suddenly turned her head. Look in the direction of the gate.

"What's wrong?"

Noticing that something was wrong with Wu Yue's face, Edra asked strangely.

"There was an altercation outside the hotel. It was the two teams that looked at each other unpleasantly and planned to start fighting. ”

Wu Yue's face was a little unkind.

"The town doesn't look very peaceful either. Forget about shopping. If you go out, you feel like you're going to get in trouble. ”

After all, the appearance is so high, who knows what those people with strong male hormones will do.

That is a good thing to say. ”

At this time, the girl who had just entertained Wu Yue suddenly walked over with a tray. On the tray is a bottle of red wine and six goblins.

"There is a guild in our town. It's called Black Wolf. It is a tenth-level guild with up to 300 people. The Black Wolf Guild once made a rule. As long as they are there, adventurers are not allowed to be detrimental to the common people of this town. Otherwise, the Black Wolf Guild will mobilize people within its guild to encircle and suppress those adventurers who do not abide by the rules. By the way, the leader of the Black Wolf Guild has a good relationship with the owner of our inn. We also guarantee that we will give priority to the protection of our guests. Since you are our guests, you can rest assured that you are safe. ”

The girl carefully placed the cup in front of everyone.

"This is what the people at the table over there have invited you to drink. ”

The girl pointed to the table closest to Wu Yue and the others. It was a young man and a woman, smiling and nodding when they saw everyone looking at them.

"Say thank you for the interesting questions they heard. This is a thank you gift. ”

"Oh...... Thank you. Please help us say thank you. ”

This should be a kind of eavesdropping. But it didn't matter anyway, so I won't say anything.

"Got it. ”

The girl said with a smile. The cork of the red wine was opened. Tilting the wine bottle, the bright red liquid suddenly poured towards the crystal clear Gaojiao cup. There is a faint aroma of wine, and there is a hint of licorice-like flavor, which seems to be a very high-end red wine. When the wine is about halfway through the glass, it stops. The girl placed the bottle on the table.

"Have a nice meal. ”

After saying that, the girl smiled and left.

Wu Yue fell into deep thought. A level 10 guild is enough to have the deterrent power to protect a town......

It's worth a look.

Wu Yue picked up the red wine and sipped it slowly. Drinking red wine is not a sip of white wine, it must have a little aftertaste. Anyway, it's so troublesome to eat, it doesn't matter if it's a little troublesome.

"Then Wu Yue, are we going out to play?"

Edra looked at Wu Yue with some concern.

"This time you have the final say. ”

"Let's play. Anyway, there are people to protect them, so what are you afraid of. But don't let Yu Yuan leave your side. ”

Wu Yue said indifferently.

"Wu Yue, aren't you with us?"

Ai Lulu looked at Wu Yue and asked.

"Yes. I'm going to see that guild. It will be easier for one person to get in and out. ”

Wu Yue nodded and said.

I don't know what kind of guild this black wolf guild is, even if it protects this town, it's still hard to say what it really thinks. To be on the safe side, it's better to go alone. In case of an accident, you might as well retreat and run away.

"Alas... Since Wu Yue said so, I am not reluctant. ”

Edra said.

"Then Wu Yue, be careful. If something happens, don't resist it. If you really can't, take off your ring. ”

"I know. ”

Wu Yue put down the empty wine glass in his hand. Stood up.

"Then you eat first. I'll go first. I'll be able to find you if I've read it early. ”

"This is the room key. ”

Serrali pulled out a key with the 305 number written on it from his pocket.

"If you don't find us, you can go back to your room first. ”

"Good. Then I'll go first. ”

Wu Yue took the key and walked towards the gate.

First of all, we must first get rid of those who may affect everyone's mood when eating. It's just a fight outside the hotel. And there is a lot of scolding, so that wheat can hear these scoldings, but it will affect the future growth of wheat. I still like the innocent look of wheat.

After walking out of the hotel, Wu Yue saw two teams of people fighting outside. The total number of people was about twenty or thirty people, and they were all slashing each other with knives. Both sides seem to have some strength, and they can even use the weapons in their hands to defend against other people's attacks and fight back, because both sides are wearing armor, even if they are slashed by knives, there is no damage. No fatal injuries have been reported so far.

The scene of the battle is not small. There was no one on the street except them, and the shops were closed except for the hotel behind them. The battle of so many people, judging from the momentum, is already quite deterrent. In addition, both sides are armed with knives and bows and arrows, and the fight is even more likely to take place.