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Cheng Mubai, at this time, his heart was also very happy.

As for the reason? That's very simple, because of such a similar topic, he has actually seen it a long time ago!

"Haha, isn't this the day's schoolwork? Although it is infinitely addable, I already know the result of adding the first 100 numbers! In this way, won't I win this competition? ”

That's what Cheng Mubai thought in his heart at this time!

It turned out that not long ago, in a special "arithmetic" teaching class for a small number of students in Hanshan Academy, Cheng Mubai was involved. At that time, Zuo Mingqiu taught them a method of counting called "Arabic numerals". Cheng Mubai is the best student who learns this kind of "Arabic numerals".

Therefore, Zuo Mingqiu directly copied the question of "from one to one hundred" obtained from Han Zude and gave it to Cheng Mubai to calculate. And that Cheng Mubai can be regarded as quite capable, it only took a day of hard work, he has already calculated it, and there are no mistakes or omissions at all, so Zuo Mingqiu was quite satisfied with him at that time!

However, despite this, the reason why Zuo Mingqiu has such a problem now is actually not to take care of Cheng Mubai.

Because, the calculation method of "Arabic numerals" that he taught Cheng Mubai was learned from Han Zude, and as far as he knew, the relationship between Han Zude and Qin Yong was very close. And he also learned from Han Zude's usual daily speech that Qin Yong had considerable attainments in the "Arabic numerals" method!

Although he didn't know how high this considerable attainment was, since it was something that could make Han Zude full of praise, it must be no lower than Cheng Mubai. So, after determining that this second question should be examined by the proficiency of the two sides in such a method of notation of "Arabic numerals". He was thinking about bridging the gap between the two sides, so he came up with the idea of using such a topic. In the final analysis, it was just to take care of Cheng Mubai, so it came out.

"You both know the 'Arabic numerals'. Now it's time to see who is more familiar with this 'Arabic numerals'! ”

Zuo Mingqiu thought so in his heart when he came up with this question.

Because in his opinion, once this kind of "Arabic numerals" is spread in the future, it will be invincible, and in the end. It may even become a common method for those bookkeepers to calculate their accounts in their daily lives, so it is still quite meaningful to use such a topic to study Qin Yong and Cheng Mubai at this time.

It's just that what he didn't expect was the calculation method of this so-called "Arabic numerals". That in itself was brought to this era by Qin Yong from later generations, and he had been "crawling and rolling" in such a "field" for more than 20 years, so if Cheng Mubai wanted to compete with him for this, it would be simply asking for hardship.

"Hehe, Mingqiu, Mingqiu. It's in vain that you're smart all your life, and you're confused for a while! That Cheng Mubai is of course a very good learner of 'Arabic numerals', but no matter how good you are, can you be better than Qin Yong? This kid is the master of this kind of 'Arabic numerals'! Alas, anyway, he is going to enter Hanshan Academy in the end, even if he wins all of today's competition, it doesn't matter! ”

Han Zude thought in his heart at this time.

Originally. Although he brought such a "Arabic numerals" method of counting to Hanshan Academy for a small range of teaching, in fact, he never told Zuo Mingqiu about the origin of this method of counting.

Because, before Qin Yong taught him to use this method of counting, he had asked him. Try not to spread the word, and don't just say that he is the master of this method of counting. Therefore, he did not say anything to Zuo Mingqiu at that time. And Zuo Mingqiu was intoxicated with such a novel counting method for a while, and he didn't ask questions at that time, so this caused today's result.

And what Zuo Mingqiu didn't know was that Qin Yong was already proficient in such an "Arab counting" method. It's like this continuous addition of repeated calculation questions, in fact, in order to "retaliate" against Qin Yong at that time, Han Zude had already given Qin Yong such a number within a thousand, but Qin Yong was still able to calculate it in the blink of an eye, so it can be proved that there must be some simpler calculation method in this, but Han Zude has not had time to ask Qin Yong about such a method.

"Hey, this question is a little too difficult, isn't it?"

"That's right, that's right! From the beginning, each number is added up to within five thousand? How is this possible? If you don't have an abacus or other counting device on hand, even if you want to add it to fifty, it's not easy, right? What's more, it's a scholar like Cheng Mubai and Qin Yong? ”

"That's it, that's it! This question is inevitably too bad, what does Mr. Zuo think? ”

"Hey, who knows!"

After knowing the specific topic of this second question, the audience who had not participated in the "training" of the "Arabic numerals" counting method at all was immediately in an "uproar".

Because, according to the most common method of counting in this era, the specific numbers are even written in capital letters, and the result is that when two numbers are added in pairs, they cannot be displayed on paper at all, but can only be imagined abstractly in the mind, or borrowed from a tool such as an abacus. As a result, of course, the efficiency is quite low! Especially in the absence of an abacus such a computing tool, it is even more complicated, so those viewers will sigh "not even add fifty".

It's just that, no matter what they think, the on-site competition has already begun, so they can only wait for the final result.

"Hmm. The answer from one plus to one hundred is five thousand and fifty, okay, just add up from one hundred and zero! ”

Cheng Mubai didn't care about the noise around him at this time, he only knew that he was sure to win this competition, so he immediately started to calculate with great enthusiasm. The first number to be calculated, of course, was one hundred and one, because the first hundred numbers had already been made by him when he was doing his homework in the past. With such an "advantage", Cheng Mubai really doesn't believe that he will lose!

"Huh? You see, what did the talented man write on the paper? ”

"This, I don't know, why doesn't it seem to be a word at all?"

"yes, yes, it's kind of like painting, but it's unlikely, if it's painting, it's too unaesthetic, right?"

"yes, what the hell is going on here?"

Not long after Cheng Mubai started to calculate, there were dozens of people around him who crowded around him to watch him start calculating, and many of them screamed directly when they saw the calculation process he wrote on the paper.

It's no wonder, because of the numbers and symbols on it, they can't even read any of them, so they suddenly have an extremely ridiculous feeling in their hearts, what the hell is going on? How can there be words in the world that even my own people can't understand at all?

"Auntie, you call me?"

Just when the onlookers who were staring at Cheng Mubai were making noise, Qin Yong casually beckoned Qin'er and a few other little girls.

"Hmm. Go and help me see what he's writing. ”

It turned out that Qin Yong heard the chattering around him, and he was also curious about what Cheng Mubai was calculating, so he beckoned Qin'er, intending to let her take a look at what caused so many people present to talk about it. This is not some kind of "spying" or "military intelligence", because he really doesn't need to do this, if he wants to win, he can win at any time, and now, he just wants to be bored, so he just wants to find something to do to play time.

"Okay, uncle!"

So, Qin'er answered, and hurriedly ran to Cheng Mubai's side.

"Hey, you know you're scared, right? Sending her over at this time, didn't you want to peek at the final result? However, I can't understand my result, no matter how you look at it! ”

Cheng Mubai also noticed Qin'er's movements, so he couldn't help but smile coldly in his heart at this time. He only thought that Qin Yong didn't know how to calculate such a problem, so he thought that he was sending his maidservants to peek at his calculation results, but the calculation method he used was a completely new calculation method, even within Hanshan Academy, there were few people who knew about it, let alone Qin Yong, an outsider!

Therefore, he naturally didn't worry about Qin'er coming to watch, but welcomed Qin'er to come and watch, and finally told Qin Yong the result. Then, he could see the expressions of disappointment, confusion, and so on on from Qin Yong's face, which was full of comfort to think about!

"Cut, it turned out to be 'Arabic numerals'!"

As a result, Qin'er walked to Cheng Mubai's side, glanced at it casually, turned around and left, and when she left, there was still a trace of disdain in her eyes, but Cheng Mubai, who was concentrating on calculation, didn't notice it at all.

Of course, this also has something to do with Qin'er not saying anything, but the final result made Cheng Mubai feel a little wishful, because he noticed that after Qin'er returned to Qin Yong's side and reported the matter to him, Qin Yong's face did show a trace of surprise and even confusion at that time.