The equation is the equation containing the unknown number X.

It is not a profound knowledge point, but a simple calculation tool.

By solving the equation, the difficulty of thinking backward can be avoided, and the equation containing the quantity to be solved can be listed directly.

For the application of basic equations, the most popular one is to solve the problem of chicken and rabbit in the same cage.

Dark just gave a quick explanation of what he knew, and Professor Lily instantly cleared the comprehension!

She quickly said: "Similar methods are mentioned in the "Gniro", but there is no integration system. Using this method can really simplify the calculation. Although I can't use it …Emmm, can you go deeper and tell me?"

Dark said curiously: "What is the "Gniro"?"

Professor Lily:" An ancient sect worshiping geometry has probably been turned into ashes now."

Dark corner of mouth twitching: "Does mathematics teach?"

Then he followed Professor Lily The requirements are more in-depth.

"Equations have many forms, what I just talked about is just one-dimensional linear equations. Apart from this, there are binary linear equations, one-dimensional quadratic equations, etc., and can also be composed of Simultaneous Equations to solve multiple unknowns ......" Remember the URL m.xswang. com

When it comes to quadratic equations in one unknown, you have to talk about powers, which is "power".

With the definition of "power", we have to mention "base", "exponent", "square root"...

Dark said it smoothly, Professor Lily heard Seriously, a basic model of mathematical operations gradually took shape in the exchanges between the two.

Professor Lily's heart becomes more shocked as he goes to the back.

Since the introduction of the concept of "power", she discovered some extremely complicated calculations. After using "power", it seemed as if a straight road was suddenly folded up, making the qi point and the end point Suddenly become close!

Obviously, this is a concept far above addition, subtraction, multiplication, and division!

Professor Lily originally only wanted to formulate an algorithm like the "vertical calculation method" from Dark. Didn't expect got even more amazing things.

She thought carefully, suddenly took out the pen and paper from the drawer, wrote out all kinds of complicated problems out of thin air, and then introduced the concept of "power", and then solved it with equations. The whole idea was silky smooth and comfortable. It's incredible.

"Void!"

She lifts the head with a flushed face, only to find that there is no one on the sofa.

......

In order not to go to the magic history class in the afternoon hungry, Dark chose to stop and yo-yo halfway through.

Looking at Professor Lily just to understand some definitions, he can draw inferences from one another and understand everything. Dark is actually a little envious. Maybe he is a real genius!

When he came to the cafeteria, he ordered a steak and mince pies, ate them quickly in the empty cafeteria, and then hurried to the classroom of the history of magic.

When he entered through the back door, the classroom was full of people.

White and Robert, who were sitting at the back door as usual, both looked over curiously, surprised that he had come so late.

But White already had some hostility towards Dark in his heart, and had given up the plan to increase his favorability, so he didn't talk to him.

Robert was not so scrupulous, and said on the spot: "Hey, Dark, where did you go? You are here now."

Dark turned his head to say with a slight smile: "And Professor Lily discussed some questions."

Robert; "Oh."

White still couldn't help asking: "Is it related to the morning class?"

"Yes." Dark nodded, he continued on, and quickly returned to his seat.

It didn't take long for the bell to ring for class.

Professor of the history of magic—Ryan Hacks walked in with a cane

He was still wearing a broken prosthetic limb, walking limping, but The look between the eyebrows and the temperament of the whole person are very different from when they came.

Just a week of the Academy life, let him get rid of the rich breath of dusk, and the hard air between his brows also recovered.

But what attracts the students the most is his almost bald head-it has grown out!

"Professor!"

A Knight House student in the front row couldn't help but raise his hand: "Your hair?!"

Ryan Ha Professor Kess raised his complete hand and pushed back with his dark brown bangs, slightly proud: "Theodore, you need to relearn what is polite."

"Okay. Yes, Professor." Theodore muttered and sat down.

Professor Harks said: "I just did an experiment with Sister Carlian. Oh, she calls it a hair growth potion!"

"It turned out to be little white mouse ......"

Dark blinked in the last row, thinking that Professor Harks shouldn’t be happy too soon.

If hair growth agents can be researched so easily, that many nobles will not have that many bald heads.

But there is Professor Hacks with thick brown hair. After shaved off the beard, he really has several points of the taste of the old handsome guy.

After Professor Hax stepped onto the podium, he continued the content of the previous class and continued to tell the story of the war that has not yet been finished.

Unfortunately, when the golden generation, led by hero and the others, was active on the battlefield, Professor Hax had already retired due to injury. Although he had a detailed understanding of battles that were not personally experienced, he was still lacking. A bit of detail.

So he talked more about the early battles. At that time, humans had no advantage. Every victory had to pay a heavy price, but every victory was of unprecedented significance.

But Professor Hacks talked about battles that were ultimately won in the last two lectures.

In this lesson, he seems to have changed his mind.

Fifteen minutes after class starts.

Professor Harks said: "There is victory or defeat, and war is the only way to win. We learn from victory and lessons from failure. The so-called history of war is also a history of sacrifice. I The comrades who will always remember the sacrifice will never forgive the betrayers in the war!"

He seemed to have thought of something, and quickly clenched his fist to cover the hideous corner of his mouth, then calmed his breath and continued: "Guiniu tribe defense battle! It was a tragedy in the history of modern warfare. It almost broke the Hundred Clans Alliance!"

The students in the audience couldn't help but concentrate.

Professor Harks always brings strong personal emotions in his lectures, but it is more attractive.

Even Dark couldn't help but listen.

The battle to defend the ghost cow tribe is a battle that occurred when the "Hundred Clans Alliance Treaty" was signed Early-Stage.

The ghost cow clan in the Beastman Race group called the Alliance for help at that time.

After urgent discussions, the alliance immediately regarded it as a key battle to symbolize the alliance, and dispatched an alliance army composed of Four Great Races of orcs, spirits, dwarves and humans to go to the ghosts. Cattle rescue.

Professor Harks is in it!

……

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