"Nekomata."
"Hmm meow? What are you doing, meow?"
The cat was suddenly called and immediately became alert, thinking that Baimu had discovered something about the surrounding situation again.
Bai Mu looked at her and said, "Memorize the regular trigonometric functions."
"…How could I possibly remember that, meow? Aren't we fighting in a hollow? Why are you suddenly carrying something like this, meow?"
Nekomata was stunned for a moment. How could he ask such a question at this time?
Shiraki patted Nekomata's head with a kind smile on his face, "I just taught you this morning, have you forgotten?"
The cat looked at the smile again and suddenly shuddered, "How, how is it possible, meow!"
"Neko will recite it now."
"One plus one equals one, two plus two equals four, March 8th is Women's Day, June 1st is Children's Day..."
"Hmm, no, no, it should be thirty-seven twenty-eight."
"No, no, thirty-nine is seventeen. Oops, my fingers and tail can only count to twelve. What should I do, meow!"
She counted on her fingers and recited a bunch of strange numbers.
Bai Mu's face turned black after hearing this.
Keleda was also struggling to hold back her laughter. "This looks like the multiplication table, right?"
"And you even recited it wrong~"
The cat was startled again, sweating nervously, "Yes, yes, is that so, meow?!"
She looked at Bai Mu's face, which was gradually darkening. "I'm sorry, cat really can't remember, meow."
Bai Mu could only sigh and pat Nekomata's head, "If you take the college entrance examination in the future and your score is at the bottom, just don't tell anyone about me."
It's like Sun Wukong and Bodhi Patriarch.
If you get into trouble in the future, don't say it was your teacher's fault.
The cat wagged its tail again, tilted its head, and asked curiously:
"What is the college entrance examination?"
When Bai Mu heard this question, his head started buzzing. This was much more exciting than the grabbing machine in front of him.
I'm so angry that I'm about to get red and warm.
It seems that teaching Nekomata is a long and arduous task.
Anton was struggling in the front, "Hey, come and help me, it seems to be quite powerful!"
Koleda and Daben both looked away and ignored Anton's call for help.
"Today's void is so empty."
Big Ben nodded, "Yeah, yeah, it's really empty today."
Baimu also sat on a piece of waste material, too lazy to care about Anton.
If this guy wants to show off, let him do it himself. There is no danger anyway.
"The most urgent thing is to quickly replenish your knowledge."
He pulled the cat and said, "The multiplication table, um... you understand it this way. If you buy three mackerels each time, seven times, how many mackerels will you buy?"
When the word "mackerel" is mentioned, the cat is no longer sleepy and the answer comes out of his mouth!
"Twenty-one!"
"Look, you can do it."
"Has the cat learned it again? Meow, wow!"
Her eyes lit up, and her mind suddenly became clear. So this is the multiplication table! It's amazing!
"Let me tell you about trigonometric functions. Imagine there are three mackerels on a wall and four mackerels on the ground. How many mackerels do you need to put where the mackerels' heads meet to form a triangle?"
The cat blinked again, imagining the situation in its mind, "One, two, three, four... five!"
"Look, isn't this just trigonometric functions? Nekomata is a genius, he learned it right away."
He rubbed Nekomata's head in praise. This kind of simple knowledge can be easily learned with just a little analogy.
Nekomata enjoyed the petting and nodded, "Nekomata is truly a genius, meow!"
Bai Mu continued to entice, "Now you have not only learned trigonometric functions, but also discovered a universal truth!"
"Wha, what truth, meow!"
She twisted her butt and swung her tail up and down, her face full of curiosity and thirst for knowledge.
"You discovered the relationship between the three sides of a triangle: the sum of any two sides must be greater than the third, and the difference between any two sides must be less than the third."
"If you use mackerel as an example, you'll immediately understand what's going on. As long as these conditions are met, they can form a triangle. Isn't that amazing?"
After saying that, many bluefin tuna popped up in Nekomata's mind and combined them in her mind. After thinking about it for a while, her eyes lit up!
"That's true, meow! Nekomata is a math genius, meow!"
Bai Mu smiled and said: "Not only that, there is more~"
"And meow?!"
"Nekomata also discovered the principles of calculus. Imagine the triangle in Nekomata's mind just now. If we fill it with mackerel in the middle..."
“Fill it with mackerel!”
"Even if we remove the outermost layer of mackerel, will it still be a triangle?"
"Yeah, that's right, meow!"
"Then, can these mackerels be turned into really, really small mackerels?"
The cat thought about it again, "Yes, of course meow!"
"So, is the triangle made up of these tiny mackerels? Each mackerel is so small that it's invisible to the naked eye. If we multiply it by a very large number, can we still express the size of the triangle?"
"Yes, that's right, meow. I feel like I'm gradually understanding everything, meow."
Bai Mu smiled and said, "This is the introductory principle of calculus, but you need to take this course at least until you are in college."
Nekomata nodded, "Nekomata feels like the world is a giant mackerel, meow!"
The knowledge entered Nekomata's mind in a strange way.
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