Li Zheng thought that he could use the school's resources and have a special car to pick him up, but he thought too much.

Yu Hong just threw him a WeChat business card and went to play by himself.

Li Zheng asked if he could take a taxi at public expense, and Yu Hong asked him to ask Principal Liu.

Li Zheng knocked into the principal's office again and asked Principal Liu if he could take a taxi, and the principal said to ask Yu Hong.

Li Zheng, who is about to turn 18 years old, felt the hypocrisy of this world for the first time.

Our Yinghu fishing gang can only improve themselves.

Fortunately, WeChat contacts are very reliable.

She is a big sister with the nickname "Himig", Ji University is studying for a master's degree, and her head is like a large regular crystal, with a crack in the shape of a snowflake in the center, full of chemical beauty.

The eldest sister was also very enthusiastic, and soon passed the verification of her friends, and sent the address of the [School of Chemistry and Molecular Engineering, Jijing University] to Li Zheng, asking him how long it would take to arrive.

Li Zheng roughly estimated that it would take about 50 minutes, and then played another 20 minutes, and finally set it at 9:15.

After that, it is the subway journey, Line 2 to Line 4, all the way to the east gate of Jida.

In the middle, Li Zheng took out the experimental textbook and reviewed it a little, but the effect was still limited, and he should strengthen his memory.

The journey was smoother than the map software, and before 9 o'clock, Li Zheng got out of the subway and was standing opposite the east gate of Jida.

Looking at the past, the east gate of Jida is not big, just like an ordinary unit, only a small door is opened at this time, there are not many people coming and going, and you need to show your documents to enter.

Looking at the little flat heads who went in and out with their shoulders on their backs.

Li Zheng knew that they were actually big guys.

If he had more time, he really wanted to sneak in and see the legendary Anonymous Lake, but at this time, he could only follow the road to the south.

There is no way, because the anonymous lake occupies too much land and the shared area is too much, and the Jida College of Chemistry has already moved outside the school, just about 200 meters in front of the road.

But just when Li Zheng was halfway there.

Suddenly, his eyes widened.

Lifted the anus.

Damn it...... I didn't stop last night, and I ate too many spicy things.

Why is it making trouble here?

He hurriedly looked around eagerly.

It just so happens that there is a public toilet at the intersection.

Li Zheng didn't have time to think about it, so he forced the pass, ran in stiffly, and rushed into the men's toilet.

Although it was a small public toilet, it also had two cubicles, and the one on the outside was wide open.

Li Zheng didn't have time to think at all, so he quickly got in, closed the door, hung up his schoolbag, and put down his pants.

Then, he breathed a sigh of relief.

saved.

For the rest, just take your time, there's no need to be so intense.

But as soon as he slowed down, there was a burst of kuk bang next door.

The vindictiveness is the same.

Li Zheng never thought that this thing would be the same as yawning, and it would be contagious to each other.

As soon as the next door came, he also became fierce and turned over the river and the sea.

The two of them promoted each other, and in just two minutes, they completed the project in ten minutes.

Li Zheng is also rare to be so smooth, thinking that the hero next door must be the same, it is inevitable that there will be some commotion.

It's a pity, now that people live in buildings and have separate bathrooms, I'm afraid they won't be able to enjoy this kind of pleasure anymore.

After the commotion was over, he opened the zipper of his schoolbag and took out a tissue.

Then there was a glare.

I remember more than half of the pack.

Why is it just one?

Thinking of the special situation of today's sky full of stars.

It's a bit difficult to deal with.

No way.

Fold it a few more times.

It's better than nothing.

Just as Li Zheng was calculating how to use this piece of paper, a slightly immature male voice suddenly came from next door.

"...... here"

Li Zheng was stunned.

Is it the hero next door?

Still a teenage hero.

"Huh?" Li Zheng immediately responded to him.

The young hero paused for a moment and asked with some embarrassment, "Inner ...... Brothers...... How much paper is there......"

Li Zheng suddenly panicked, looked at the thin tissue in his palm, which was a little bigger than his palm, and replied stiffly: "I...... It's just a ......"

"Hey......" the young hero sighed bitterly, "walking and walking, and suddenly jumped...... Are you too?"

Li Zheng felt the same and replied with a sigh: "Yes, this kind of thing is always defenseless. ”

"It's like love. There was also a sigh from the next door.

“......”

“......”

"Good...... Literary talent. ”

"Thank you, thank you, that...... You...... Wipe it off, leave me alone......"

Li Zheng looked at the only piece of paper in his hand, and wondered: "Why don't I finish it quickly and go out and buy some paper for you?"

"Don't ...... I'm sorry to trouble you......" The young hero gritted his teeth and gurgled, "Leave me alone, I'll figure it out myself." ”

Li Zheng shuddered.

I can't make it, hero.

Thinking that everyone met and had a fate, Li Zheng also gritted his teeth and gritted the same gurgling.

"I'll tear half of it for you, and we'll both save some money. ”

"Farewell...... You're not ...... enough," the hero dismissed.

"It's okay, I'm good at math and can calculate the fold of the maximum usage. Li Zheng said, took out the ruler from the schoolbag, folded the paper towel in half and picked up the ruler, and prepared to cut.

"Hey, I'm not bad at math. The hero next door seemed to be ignited interested, "Brother, quickly tell me the length and width of the paper, and I'll help you do the math." ”

"Oh? Li Zheng thought of this, and he didn't rush to cut, but first measured it, "18x18 cm, the original folding method, is 3x4, 12 grids." ”

The hero then thought, "Hmm...... If these 12 grids can be fully utilized, one person can wipe 6 times, which is barely enough. ”

"Yes, but if you fold it in half, the number of uses will be halved. Li Zheng frowned and said, "And you have to consider your hands and buttocks, you can't touch them." ”

"So...... I think I've seen this origami problem before. The hero suddenly raised his voice, "I remember, the solar panels of the artificial satellite, because they have to be folded and unfolded, there seems to be an algorithm, wait for me to look it up." ”

On this issue, Li Zheng is more inclined to be a pragmatist, holding the paper in his hand and trying it repeatedly.

After a while, the hero knocked on the partition: "The length of the paper is l, and the thickness of the paper is t, then l = πt/6 multiplied by 2 to the n power plus four, and then multiplied by 2 to the n power minus one, this n is the maximum number of origami times, we almost make a log and calculate it." ”

Li Zheng muttered: "Wonderful is wonderful, but this seems to be just a simple discussion of how many times the paper can be folded, right? ”

"yes...... These solutions are unreliable, and no one has studied such an important mathematical problem?"

"I have a plan here to save the country. Li Zheng swallowed and spitted at the mouth and said, "Fingers go directly through the middle of the paper, and then use your fingers to ...... When you're done, you wrap around, smack, wipe your fingers, and throw them away, what do you think?"

"This ...... It's a good idea, but the loss is a bit big. After the hero finished speaking, he suddenly had a plan, "Brother, we can do this, wipe it at the edge, and then fold a small part of it into it, change the edge, wipe it again, roll the paper in little by little, and finally turn it into a ball." ”

"Wonderful!" After Li Zheng praised it, he suddenly came to inspiration, "I think it can be strengthened and set up an angle α......"

"Yes, but it can be optimized, and after calculating the α, then ...... the diagonal"

"Well, that's interesting...... But are we going to leave at least a few square centimeters of room for our fingers?"

"Oops, I forgot to think about it, after all, the usage rate of toilet paper is inversely proportional to the usage rate of finger feces......"

Ten minutes later.

"Yes, it's just folded, you can do it!" said the hero, "so we can use it 7 times each, and we can't get it." ”

"Well, I'll draw an inscribed circle for an angle......" Li Zheng was just about to take the pen, but he always felt that it was not right, and knocked on the partition and said, "Brother...... Since it's all so troublesome, wouldn't it be good for me to just fold this piece of paper in half horizontally and vertically twice and cut it into 16 small squares?"

"Ahh ”

"And I cut it?"

"Please. The hero scoffed, "As soon as we talked about mathematics, we fell into it, and my brother laughed." ”

Li Zheng also smiled: "Me too, you see that my compass has been pulled out." ”

"So...... Compass seems to have a place for it......"

"To ...... That's it, bro. ”

Because of the relationship that took too long.

When the last two of them used it.

It's basically done.

But that doesn't stop them from being academically enthusiastic.

While rubbing vigorously, they greeted each other.

The hero asked vigorously, "Brother, you have enough taste." ”

"Eh, I ate too much stinky tofu last night, I'm sorry. ”

"Holy shit, no wonder. The hero then asked, "Brother, you're a thistle, aren't you? ”

"I'm only a sophomore in high school, and I'm just passing through. ”

"It's such a coincidence, I'm also a sophomore in high school. The hero suddenly remembered something, "This week, don't you have classes in high school?"

"Class, I'm here for some business. ”

"It's such a coincidence, I also have something to do......" The hero's voice gradually trembled, "You're not going to ...... Jidahuayuan's, right?"

"Yes. Li Zheng exclaimed, "You won't ...... Is it also a competition?"

"Yes!" the hero became fully agitated, "Are you contacting Himig-sensei?"

"Yes. ”

"You...... Shouldn't you be ......" the hero said impatiently, "Li Zheng ???"

"Fuck!" Li Zheng banged on the door in shock, "Shi Yang???"

"Is this okay?" said the hero, overjoyed, "I thought I'd meet you!"

"Who isn't!" Li Zheng also wiped it hard, "Don't say it, wipe it quickly." ”

Li Zheng used up eight small pieces of paper, retreated, brewed emotions, and slowly pushed open the door of the single room.

Before the door could be opened, a man's complaining voice came from outside.

"Two big brothers, please, hurry up!"

Li Zheng hurriedly opened the door, lowered his head and flashed out quickly.

He only felt a gust of wind whistling in his ears, and the man rushed into the private room.

The door slammed slammed shut, and almost at the same time, there was a hearty sound from inside.

The hero next door sighed, "You're happy enough." ”

"Happy you...... the man burst out foul mouth, gritted his teeth and scolded, "Skin...... The belt buckle is jammed. ”

This voice was not only angry, but also secretly suppressed endless grievances and humiliation.

Li Zheng didn't dare to think about it, so he quickly went out with his backpack and washed his hands quickly.

The hero next door also rushed out with his pants and washed side by side with Li Zheng: "Quickly withdraw and withdraw quickly......"

"Yes...... Don't wait for him to come out......"