Chapter 760 Trivial Prerequisites

The study of French numbers and the introduction to the hexadecimal system only took up less than half of the course time.

No matter how talented the little wizards are in terms of knowledge acceptance and numerical sensitivity, they cannot cover up their gaps in basic mathematical knowledge. After successfully stimulating students' interest, the mathematics class gradually got on track.

Compared with the backward and cumbersome "line counting method", vertical calculation is undoubtedly a concept that must be popularized.

However, the prerequisite for vertical calculation is first of all the writing of numerical values ​​and the familiarity of memorizing the multiplication table - and this is also the core and most difficult starting point in the mathematics curriculum formulated by Alexei and Elena.

Just as the size of a pyramid's base determines its upper limit, the same principle applies in many fields.

"Okay," Alexei said, gesturing for the students to turn to the last few pages of the textbook, "I believe you have all seen the multiplication tables at the end. This is your first week. Assignment. Memorize it as much as possible, and then in class next week, I will memorize and grade it.”

"I don't quite understand, Professor Alexei."

Draco Malfoy raised his hand, frowned at the textbook in front of him, and said in confusion.

"There are three tables with completely different sizes on it, but their names are all the same..."

Behind the "Elementary Mathematics I" in front of him, there were three multiplication tables attached. Each table was filled with dense numbers. Even a brief glance at it made him feel numb and dizzy. The feeling of sleeping.

"Oh yes, that's exactly what I'm going to say next."

Alexei's voice sounded in the classroom, and the middle-aged man spoke softly with a complex tone.

"As you can see, there are three multiplication tables with different specifications in the back of your textbook, namely 9X9, 16X16, and 26X26. You can choose any one of them to recite based on your actual situation."

"only……"

Alexei paused, glanced at the little devil-like silver-haired witch in front of him, and continued.

"If you choose 9X9 multiplication tables, your highest score in this course this year will not be more than 'good'. If you choose 16X16, you will have a chance to get 'excellent'. As for 26X26 - this is just a challenge, except To let you know that you can be better than other wizards, there will not be any additional special rewards."

"Hey, can you choose any one? Then we must be..."

Hearing this, Ron Weasley instantly became energetic and looked at the small watch at the front with a relaxed expression.

As the "chess king" of Gryffindor House, Ron has always been adhering to the idea of ​​​​doing as much as he can. Anyway, no matter his family, the college or even himself, they never expected him to get the highest score in the final exam of each semester. How many "excellent" ones?

However, before Ron could finish his words, there was suddenly a neat sound of pages turning around him.

? ?

? ? ?

Ron looked at the guys around him with confusion on his face. Even Neville, who always looked a little slow, took the initiative to turn to the last page, which was the most terrifying-looking mathematical matrix, and began to mutter in a low voice. Get up

As for Harry and Draco sitting on the other side, it goes without saying - they have long betrayed the scumbag class.

"I said, Harry, Neville, didn't you hear clearly what the professor just said?"

Ron looked at the small form in front of him, and then at the table next to him that was almost three or four times the size. The corner of his mouth couldn't help but twitch, and he poked Neville Long on his right with his elbow. Barton, whispered.

"Even if you want to hit 'excellent', just choose the 16X16. For me, this last 26X26 multiplication table is probably the option that makes us quit. Instead of spending so much energy, you can It’s better to memorize more spells or something else, at least those things look more useful..."

At this moment, Alexei's eyes looked this way, and Ron subconsciously stopped talking.

"But I just want to give it a try..."

Neville Longbottom looked at the dense array of numbers in front of him and took a deep breath.

"Grandma has always said that I should help the Longbottom family and not be laughed at by others... I really don't have much talent in magic, but I still want to try something that can be done in a stupid way... "

As he spoke, Neville lowered his head again and continued to recite in a low voice.

"But--"

Ron sighed helplessly. As a child from a pure wizarding family, he really couldn't understand the significance of this additional learning burden. What was the point of being good at mathematics? He had no plans to work in Gringotts in the future.

However, if all the classmates and friends around him choose this way, Ron can only...

"Sorry, Professor Alexei, I have one more question."

At this moment, Hermione's arms were raised high at the table in front of the classroom.

"I really can't understand the meaning of that complicated multiplication table at the end - if the table of sixteen times sixteen will work when we use gold Galleons and silver Sickles, then the twenty-six multiplication table will What about the form of twenty-six?"

Following Hermione Granger's voice, the students in the classroom raised their heads and looked over curiously.

Alexey frowned slightly, his eyes first lingering on the white-haired dumpling next to the girl, then quickly stood up and walked to the "unplanned" questioner, thoughtfully asked.

"I'm sorry, miss, may I ask your name..."

"Hermione, Hermione Granger, Gryffindor."

Hermione answered quickly, with no hint of timidity in her bright brown eyes.

"Mr. Professor, I have previewed this year's reference textbook during the summer vacation. If it is the basic four arithmetic operations, the multiplication table is enough. Even if the magic currency is taken into account, it will not be so high all at once. .”

"Because... it helps to understand hexadecimal, dear Miss Granger."

Alexei glanced at Elena, who was nodding slightly next to the girl, and after thinking for a moment, explained softly.

"By the way, the reason for asking you to memorize the 16X16 multiplication table is not just to facilitate daily calculations and find change. More importantly, it will make it easier for you to understand vertical hexadecimal calculations in the future."

"The smallest even prime number and the smallest odd prime number, and the base algorithm based on them will definitely have unique value."

"As for when and how it will be used..."

Alexei shook his head, subconsciously glanced out the window, and answered in a complicated tone.

"This is like the meaning of learning mathematics. To a large extent it depends on the progress of other fields. It may never be used, or it may be used next month. But judging from the current situation, at least you There is hope..."

…

at the same time.

"Hogwarts House City-H Research Area", in the core lecture hall.

"All in all, here are a few things to note -"

Goblin Douglas pointed to the lines of instructions and terms on the curtain behind him and said calmly.

"Don't walk around at will, don't reveal your work at Hogwarts at will, don't study fields involving magic in private, and if you have any questions, it's best to ask the wizard's opinion first."

"In addition to the above situations, you can freely control your monthly salary and flexibly adjust your working hours. Some basic benefits are also written above, so I won't repeat them. Now, let's talk about some benefits. Other things..."

Douglas cleared his throat, took out a roll of parchment from his arms, and looked solemn.

"Mr. K.A. Sementiev, we are very interested in the 'ternary' number system you proposed. Therefore, in the next six months, your research content will become the highest priority in this area. Project - We hope to see the implementation plan you submitted within this week, as well as the problems that we need to help solve during the implementation process."

"Mr. Andrei Mendanlov, starting from tomorrow, a house elf will come to your residence every morning and guide you to the corresponding greenhouse and vegetable garden to complete a series of tasks. The specific content will be introduced separately later."

"Arkhipovna..."

"Vinogradov..."

Hogwarts has never been a charity, and the Destiny Group is even less likely to help Muggles for no reason.

As the third generation Dark Lord, Elena and the others have fully demonstrated the sincerity of the magic world in the past half year.

Now, it is finally her turn to start issuing the "main mission" and ask for some reasonable labor and knowledge feedback from these most outstanding scholars in the non-magical world - you know, if you want to complete what Elena expected, That "certain scientific Hogwarts", they still need to light up a lot of front-end "black technology".

Among these, the two technological breakthroughs that Elena is most looking forward to are...

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Guacridine! Oh my god, the kidnappers have been defeated again!