I don’t know the number of things, and the famous mathematics problem in ancient times, I didn’t expect to see it here.

Xie Tianji looked at Yang Xuan lightly, his eyes full of lightness.

Yang Xuan smiled and said directly: "Twenty-three."

The smile on Xie Tianji's face solidified, and he looked at Yang Xuan incredibly, with a touch of surprise in his eyes. , However, this surprise was also fleeting. He opened his mouth and just wanted to say something, Yang Xuan interrupted him directly.

"128."

The expression on Xie Tianji's face solidified again, and what he was about to say was also held back in his throat.

Yang Xuan almost didn't give him a breath, and then said: "Two hundred thirty-three, three hundred and 38..."

Xie Tianji froze, and he was incredible after a long while Yang Xuan looked at Yang Xuan and asked: "There are two hundred and thirty-three? There are three hundred and 38."

Yang Xuan smiled and said: "There are four hundred and forty-three, and many more. "

Xie Tianji did not speak, suddenly squatted down, and quickly checked on the ground. After a while, he got up and looked at Yang Xuan dumbfounded, and asked in a daze: "How do you count so fast?" "

Yang Xuan smiled secretly in his heart, the uncountable problem is the past life classics, how could he not know it, now it's just a pedigree.

Ling Wudao saw Xie Tianji in a shocked look. Knowing the result in his heart, he could not help but said with a smile: "Old Xie, Mr. Ren is quite accomplished in mathematics, and now you believe it. Right."

Xie Tianji still looked at Yang Xuan in disbelief, and did not answer Ling Wudao's words.

For a while, he suddenly said: "I want this person."

After he said, he grabbed Yang Xuan's arm directly, pulled it and left.

Yang Xuan wins slightly, his eyes have been looked towards Xie Tianji, and then he glanced at Meng Qingqing.

Xie Tianji was taken aback for a moment, and then he understood what he meant, and said anxiously: "Walk and go together.

When Ling Wudao shook his head slightly and smiled bitterly, Xie Tianji was already Pulling Yang Xuan and Meng Qingqing and walking away disappeared without a trace.

Only Ling Wudao remained in the hall. After he indulged for a moment, he said indifferently: "The corpse of Hao Venerable will be buried thickly, double the standard Compassionate the family, the matter is over like this, no one will mention it again. "

Someone outside the door gently promised and turned and left.

Ling Wudao's face slowly climbed into a smile, which meant inexplicable.

Pulled by Xie Tianji, after passing through countless strange buildings, they entered a huge cave.

After passing through the heavily guarded gates, the scene in front of Yang Xuan shocked him directly.

In front of his eyes, there is a huge space. On the ground, bluestone is cast. On the incomparable gigantic table, there are countless bottles and jars. About half of them are carved from crystals. Yes.

Yang Xuan can hardly believe his eyes.

Where is this cave, here is simply a huge laboratory.

On the table , It should be a test tube and a flask carved out of crystals, all showing a sense of science to Yang Xuan.

At this time, Yang Xuan was shocked and could not think of it. This Xie Tianji not only studies mathematics, but also studies chemistry, and looking at the other tools placed aside, it may also contribute to physics.

This is simply an ancient scientist!

Xie Tianji looked at Yang Xuan triumphantly. The hillbilly expression on Yang Xuan’s face that looked like Grandma Liu entering the Grand View Garden made him very refreshed.

"Brother Ren , Although you are inferior to me in mathematics, but it is not bad, can propose the method of film measurement, old man is also impressed. "Xie Tianji looked at Yang Xuan triumphantly: "But you probably won't understand the things in this cave." "

He has changed his mind and called Yang Xuan the old brother Ren, which is considered to have recognized his mathematics.

Xie Tianji walked over, picked up a test tube, and sighed. : "Don't talk about you, it is estimated that in this world, no one will know what the old man is doing, the old man is lonely. "

Speaking, he made a look of invincibility is so lonely, very stinky.

Meng Qingqing couldn’t help looking around all around, in this huge stone cave , There are more than a dozen Blue Cloud Sect dísciple wearing uniform uniforms, I don’t know what they’re busy with.

Yang Xuan approached the stone table and picked up a crystal bottle with a label on it and painted Yang Xuan. I don’t recognize the symbol. There is a white powder in the bottle. I don’t know what it is.

"Don’t move it, you can’t afford it if it’s broken. "A middle age person came over and looked at Yang Xuan with unswerving expression.

Yang Xuan laughed and put down the crystal bottle again without speaking.

Chemistry?

Sorry, he happens to be a chemistry major.

If you take out a little bit of chemistry knowledge in his brain, it will be light to sling Xie Tianji. It is estimated that in this world, you can't find it. He has such a share.

At this time, an idea came into his mind. Blue Cloud Sect is famous for its poison. Could it be that the poison of Blue Cloud Sect comes from here?

I shook the head again, denying the thoughts in my mind.

The poison of Blue Cloud Sect has already entered the way with poison, and its effect is not achievable by chemical items.

Obviously, Xie Tianji's purpose for pulling him here is not to study chemistry, but to do mathematics.

Xie Tian turned around and took out a piece of paper and spread it on the empty stone table beside Yang Xuan. He beckoned and said, "Brother Ren, come and take a look at this. Any thoughts? "

Yang Xuan hearing this walked over, his eyes swept across the paper, and he was a little dazed.

The drawing on this paper is a three-dimensional figure with a shape a bit like a The flask, underneath is a sphere, and on top of the sphere is a cylindrical object.

Seeing this, Yang Xuan's heart suddenly moved.

, The side is straight?

If the things on this picture are infinitely enlarged to the size that a human is basically impossible to measure the specific value, then the two methods he said can be used.

Yang Xuan keenly felt that he seemed to have come into contact with some secret.

Xie Tianji looked at Yang Xuan and observed his expression.

Yang Xuan Ask directly: "Old Xie, what is this? "

Xie Tianji hesitated, did not directly answer Yang Xuan, but asked: "If this object, um, this thing is incomparable gigantic, human cannot measure its height, can you use what you said? Does the photometry know his height? "

Yang Xuan looked at him and probed: "Martial Artist can fly. Isn't it possible to measure its altitude?" "

Xie Tianji shook his head and said: "That place can't..." Before he finished speaking, he seemed to realize that he had missed his mouth, and he said, "In short, manpower cannot be measured." "

Yang Xuan moved in his heart and thought for a while: "If there is a constant light source, this object can produce shadows, and then the specific height can be obtained. "

Xie Tianji pondered: "How to calculate the details, can you explain one or two things, brother?" "

Yang Xuan looked at him speechlessly. Didn’t you look down on people just now?

However, he has realized that Xie Tianji’s status in Blue Cloud Sect is respected, maybe even On Ling Wudao, there is a sentence from him, can he and Meng Qingqing be safe and sound?

Thinking of this, he didn’t go around the corners, and directly said to Xie Tianji: "Old Xie, frankly, at this moment. Both of me are prisoners..."

He didn't finish, Xie Tianji already waved his hand and said: "No matter what you commit, I will keep you both safe, so you can rest assured. "

These words are domineering, but Yang Xuan still said: "Old Xie knows something, Your sect has a Venerable killed by me..."

Xie Tianji said impatiently : "As long as you don't kill a few people with names, everyone else doesn't matter. "

Domineering!

Yang Xuan gave him a thumbs up in secret.

Meng Qingqing also looked at Xie Tianji with interest.

Yang Xuan don’t worry. With Xie Tianji, I think someone will embarrass him again.

At this moment, Ling Wudao suddenly walked in and he saw Looked at Meng Qingqing and said: "Let's go, your Old Man Meng took me and sent Elder to replace you. "

Yang Xuan was taken aback, didn’t he change it? Why did he change his mind again?

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