"It was like this."

Mirami Aisumi glared at Ito Yuu, and pointed at Fumino Fumino and the other three, "But what's going on with them?"

"Didn't I tell you?"

Facing Xiaomi Nana's gaze, Yuu Ito said calmly, "I've been in charge of tutoring them in their studies, so since it's going to be a study session, I naturally have to call them over together."

"Qi!"

Xiaomeilang Aicheng immediately became upset when he heard the words, and looked at him angrily, "Junior, you are really a playboy."

"What did you say earlier, Miss Meilang?"

Ito Yu looked at him calmly, and said lightly, "It's just a study session, so why don't you bother to study together?"

"Ha ha."

Xiaomeilang Aicheng sneered again and again, still studying.

The girls looked at him differently.

"That, that."

Seeing this, Guqiao Wennai hurriedly said, "It's getting late, you should study early and go back early."

"Eh? Isn't it only noon?"

Wu Yuan stretched out his index finger and nodded his lips, looking up at the sky with some doubts.

"..."

Wen Nai choked suddenly.

"never mind."

Xiaomeilang Aicheng turned her head away, and snorted coldly, "No matter how many people come, it has nothing to do with me anyway."

No matter how awkward, learning must be learned.

If she retreated at this time because there were too many people, most people would think that she was guilty or angry.

In that case, it would be too humble.

She doesn't want to be thought that way.

As for Guqiao Wennai and the others, they had long been used to the four of them studying together.

Now there is an extra Xiaomeilang Aicheng added, it's nothing.

"The lengths of the three sides are known, cosA=(b2+c2-a2)/(2bc). In other words, as long as the formula of the law of cosines is used, the angle of A can be calculated."

Ito Yu seriously explained to the blue-haired girl sitting beside her.

Although he has never been very fond of studying, if he is really serious, studying is not difficult for him.

"Ah, I see."

After listening to Yuu Ito's explanation, Fumino suddenly realized, "I've obviously used this formula before, but I'm really not very good at memorizing formulas, so I forgot."

Wen Nai had an annoyed expression on her face. Originally, she could solve this problem.

"Then copy it a few more times."

Ito Yuu heard the words as a matter of course, "Because you are so good at liberal arts, you can memorize or even understand after reading it once. So in comparison, science formulas will be much more difficult.

However, as long as these things are written several times to deepen the impression, they will always be remembered.

Mathematics is like this, in fact, the essence is the same.As long as you do more, you will find that most of the problems are actually changing the soup without changing the medicine.As long as you practice repeatedly, one day you can do it like a liberal arts. "

Of course, say so.

But in fact, it is not so easy to do it.

Even if some topics have been done repeatedly, they will be forgotten when doing similar topics again.

"Well, I see."

Wen Nai smiled sweetly, "Thank you, Cheng Xing."

"Eh?"

"Eh!"

Ogata Ritzu and Takemoto Junka suddenly stopped what they were doing, and raised their heads to look at them in astonishment.

"Xiao Wen Nai,"

Wu Yuan Runxiang raised a finger and said in surprise, "You just called..."

"Lucky?"

Ogata Rizu also stared at her seriously.

"what--"

Guqiao Fumino's expression froze for a moment, his body couldn't help shaking, and he waved his little hands in a panic to explain.

But when the words came to his lips, he couldn't say anything.

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