Li Shimin thought about himself, how many things did he do for the throne?

fought in the south and the north, took the lead, and after nine deaths, he did not get this position.

In the end, he had to kill his brother and prisoner father to get this position.

His own son didn't want it!

Lao Tzu laid a foundation for you, you don't want it!

Li Shimin felt that the whole person was not good.

How could you be?

"Gao Ming, why do you think that? Is it because he is lame that he can't be an emperor? ”

Li Shimin solemnly said to Li Chengqian: "Gao Ming, do you know that 20,000 miles east of the Tang Dynasty, there is a country where there is an emperor who is lame in both legs? ”

“？？？”

Li Chengqian was stunned.

Is there anything more ruthless than me?

In order not to be the emperor, he broke both of his legs?

Forget it like this, you haven't escaped the arrangement of fate.

Li Chengqian was extremely skeptical that his father was the only son of him!

Wait a minute!

20,000 miles east of Datang?

Isn't that the sea?

Even if it's a Wa Kingdom, it's not 20,000 miles away from Datang, right?

That country was made up by my father.

How can it be that the emperor of a country is lame?

What are you kidding?

How can such a king, who does not even have the majesty of a king, serve the people?

Li Chengqian didn't believe what Li Shimin said at all, but there was nothing he could do.

He can't tell his father that being an emperor is too tiring, I don't like it.

If so, it probably won't be a matter of breaking a leg.

I guess I'm going to break two legs.

Li Chengqian had no choice, but he suddenly thought of Qin Jue.

It's a gut feeling.

His instincts told him that Qin Jue might have a way.

So he left Li Shimin and went directly to Qin Jue.

………………

When Qin Jue returned home, he saw Li Chunfeng standing at the door of his house.

It seems that something is waiting for you.

"Li Chunfeng? What are you doing here? ”

Qin Jue looked at Li Chunfeng and asked with some curiosity.

"Poor Dao came today to apprentice."

After Li Chunfeng recited the Immeasurable Heavenly Venerable to Qin Jue, he said to Qin Jue: "Qin Jushi's research on arithmetic has exceeded the imagination of the poor Dao, and today I have come to learn the way of multiplication. ”

“……”

After Qin Jue heard Li Chunfeng's words, he was stunned.

The way of multiplication?

Your apprentice is just to learn multiplication?

You've studied so many great books of arithmetic, and there are several things I haven't heard of.

At the end of the day, you can't even multiply?

This one is drunk too.

"Okay, since you came to ask for advice, then I won't hide my secrets."

Qin Jue looked at Li Chunfeng, and then said, "Now the symbol of the ten numbers, have you recognized all of them?" ”

"Don't know what the symbol for zero looks like?"

Li Chunfeng has already known each other from one to nine, but Zero doesn't know yet.

“……”

Qin Jue squatted down, drew a circle on the ground with his hand, and told Li Chunfeng: "This is zero." ”

"I see!"

Li Chunfeng nodded, and then said, "So is ten a zero?" ”

Li Chunfeng also squatted down, wrote a "10" on the ground, and then asked Qin Jue.

Qin Jue nodded, and then said, "What you said is not wrong, this is ten!" ”

Soon the two chatted, and then Qin Jue invited Li Chunfeng to his home.

He prepared a piece of paper, drew a copy of the ninety-nine multiplication table, and then gave it to Li Chunfeng and said to him: "When you can memorize this table thoroughly, I will teach you how to calculate multiplication." ”

Li Chunfeng glanced at this table, and after a while, he said to Qin Jue: "This table is full of simple multiplication, I know all of this." ”

"Yes. Then let's move on to the next step! ”

Qin Yu casually wrote out two numbers, and then said to Li Chunfeng: "You see this is the trick of multiplication." ”

After Qin Jue finished speaking, he began to write these two numbers up and down, and then gave a very detailed calculation.

It's a very simple way for today's elementary school students to calculate the results.

Li Chunfeng looked at Qin Jue's algorithm, and his eyes suddenly widened.

"This ......"

Li Chunfeng was stunned, multiplication could still be counted like this?

That's amazing!

"Qin Jushi was able to invent such a simple way of operation, and he admired it."

Li Chunfeng is a heartfelt compliment.

Qin Jue sounded a little embarrassed.

I'm embarrassed if you're like this, okay?

This kind of thing, it seems like you have to master it in the first and second grades of elementary school, right?

You, a master of arithmetic who has mastered the nine chapters of arithmetic, don't even know this thing?

Don't you feel ashamed?

Qin Jue didn't say anything, and then said to Li Chunfeng: "This kind of thing is the foundation of the foundation, after my academy starts to recruit students, in addition to literacy and sentence breaking, these basic things are also necessary to learn, when the time comes, can you come and help me teach students?" ”

"Qin Jushi is invited, and the poor Dao is naturally happy."

Li Chunfeng recited the trumpet, and then agreed to this matter.

However, Qin Jue at this time did not look too happy.

"You said that you came to apprentice, I also taught you things, and you still call me Qin Jushi? Listen to the master first. ”

Qin Jue looked at Li Chunfeng and said with some contempt: "You Taoist priest is a little unpresentable." ”

"The master is above, and the disciple is rude."

After Li Chunfeng finished speaking, the corners of his mouth twitched a little.

He really can't pull this face.

The other party is still a child!

I'm in my twenties.

It's really a shame to call a teenage child Master!

"Good!"

Qin Jue looked at Li Chunfeng like this, and then said to him: "For the sake of you being so obedient, I will teach you a new way of playing for the teacher today." ”

A new twist?

Li Chunfeng looked stunned, what is it?

Qin Yu asked Li Chunfeng: "Today, the two places are a hundred miles apart, there are boats going back and forth between the two places, it takes 10 hours to go downstream, 25 hours to go against the current, find the speed of the ship and the speed of the current." ”

As soon as Li Chunfeng heard this question, he immediately began to calculate.

After counting for a long time, Li Chunfeng felt as if he was stupid.

This thing is not something he can calculate at all.

This seems to be a bit of a difficult question.

Qin Jue watched Li Chunfeng scribbling on the ground, and he didn't know what he was doing.

After a while, he asked, "Have you figured it out?" ”

Li Chunfeng shook his head a little decadently, and then said, "I didn't calculate it." ”

“……”

Qin Jue looked at Li Chunfeng and was a little speechless.

The numbers in this question are all quite simple.

There is no difficulty in calculation at all, he can calculate the final result even by oral arithmetic.

"It's a simple question!"

Qin Jue said to Li Chunfeng: "The downwind speed is 10 miles for an hour, the upwind speed is 4 miles an hour, the ship speed plus the water flow speed is 10, the boat speed minus the water flow speed is 4, the ship speed is not 7, and the water speed is not 3?" ”

Qin Yu wrote a binary system of equations on the ground, and then said to Li Chunfeng: "You take a good look at this thing I wrote, and take a good look at it."

In fact, this is a disguised chicken-rabbit cage problem, you studied nine chapters of arithmetic, I just changed the problem a little, you won't?

This means that you are not familiar with this yet, so you need to study it well! ”

Li Chunfeng looked at the formula written by Qin Jue on the ground, and the whole person fell into shock.

Is there still such a way to solve problems in this world?

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