Xueba, I beg you to go and escort him quickly!

Xu Heng continued, "You examine the question carefully. What is the kinetic energy increment after the particle passes through the electric field? What is △Ek equal to?"

Yue Pingting scratched the back of her head, puzzled, "What?"

Xu Heng sighed, "△Ek = W = electric field force Eq multiplied by displacement!"

"To ensure that the displacement increment increases, this Eq..."

"..."

Xu Heng spoke seriously, and Yue Pingting listened carefully.

Zhou Xiu'e passed by, and was very pleased to see the two of them studying hard.

It's just that what Zhou Xiu'e didn't understand was why Yue Pingting's small mouth was so red, could it be lipstick?

She is not very clear.

When I went to prepare dinner again, it was pouring rain outside.

"Boom--"

Thunder is everywhere!

The wind is also very strong!

More rain!

"Crash! Crash! Crash..."

Fortunately, Xu Yueshan is back.

"Oh! Why is this thunderstorm so big! I'm only two steps away from my home, and I'm all wet in the end!"

Zhou Xiu'e, "Go and wash!"

"That's right! Don't go to the study, you will disturb Xu Heng and Xiao Yuezi!"

Xu Yueshan, "Are they on vacation?"

"Yeah! Go ahead! They're studying."

"Good good!"

After washing up, Xu Yueshan helped Zhou Xiu'e prepare dinner together.

When Xu Heng and Yue Pingting came out, the delicious food was already on the table.

It was still raining heavily outside.

"Xiao Yuezi, you can stay at our house tonight! I told your mother, it's raining too much! Even an umbrella can be blown away!"

Yue Pingting, "Huh? How is Auntie doing?"

Zhou Xiu'e rolled her eyes, "What's so good about it! Really! When you were a child, crying and clamoring to be with Xu Heng, how many times?"

"Ahahaha! Looking back, you were still holding Xu Heng's arm and crying when you were young. They want Xu Heng to be together, together."

Yue Pingting was embarrassed and blushed.

"Stop making trouble, eat and eat!"

Eat and chat for a meal, and spend it while changing.

Finally, Zhou Xiu'e approached Yue Pingting and asked, "Xiao Yuezi, the color of your lipstick is so beautiful! I recommend it to Auntie!"

lipstick?

What lipstick number?

Yue Pingting was dumbfounded, "No! Auntie, I don't!"

Zhou Xiu'e froze for a moment, "But why is your little mouth so red?"

Yue Pingting blushed, "I can't read the title, so I pursed my lips."

"Oh, oh, that's it! I said it! If it wasn't for the lipstick, I would have thought it was being fucked!"

Zhou Xiu'e does not regard Yue Pingting as an outsider, so she often jokes about it.

· · · · · · · · · · · · · · · · · · · · · · · · · · ·????????????????

"Aunt!!!"

Yue Pingting was shy and very embarrassed.

"Okay, okay, go and study! I'll clear the table and make your bed."

"it is good!"

Yue Pingting got up and pulled Xu Heng.

"Xu Heng, let's go!"

Xu Heng, "???"

Don't care what I do!

Hey……

Inside the study.

After studying for a long time, Xu Heng played games, while Yue Pingting swiped his phone.

Sudden.

"Ding Ding!"

There is news.

Yue Pingting, "The phone is for you, it's Rui Yi...oh, no, it's the homeroom teacher who sent you a message."

Xu Heng was playing a game, "Look at what was posted?"

turn on.

"The head teacher asked you some ancient poems!"

Xu Heng, "You tell me, I'll answer."

Yue Pingting relayed, "No bias, no party, kingly way, what's behind?"

Xu Heng, "Without partiality and no party, the kingly way is swaying; without party and no sidelines, the kingly way is flat; without opposition and no side, the kingly way is upright. This is from "Shangshu. Hong Fan""

Yue Pingting, "Speak slowly, I didn't remember! How do you write this word! Forget it, you should speak to the head teacher directly!"

Xu Heng repeated one side.

After that, he looked at the questions sent by Yao Ruiyi and answered them one by one.

"Jiji sowing, Zoushu struggles to eat fresh food. Is there any residence in Maoqian. Steaming people is grain, and all nations are righteous."

"This is "Shangshu.Da Yumo". Go to plant together with Houji to provide grain and food for the people. Develop trade and exchange what is needed, so that the people can settle down, and all nations can be effectively governed."

………………

"Whoever speaks is innocent, but whoever hears it is enough to be warned."

"In the "Preface to Poetry", those who make criticisms are not guilty. When you hear other people's criticisms, you must carefully reflect on yourself, correct them if they are wrong, and take them as advice if they are not wrong."

"The breadth of learning lies in tirelessness, and perseverance lies in perseverance. This is Ge Hong's!"

"..."

Yao Ruiyi asked a lot of ancient poems and essays, and Xu Heng answered them fluently.

Some even provide translations.

Yao Ruiyi on this side is listening, when Xu Heng is talking, why is there still a rattling sound.

Yao Ruiyi went back and listened carefully again, and she was sure that it was in every voice.

"Is this... the sound of a keyboard?"

"It's the sound of typing on a keyboard!"

Yao Ruiyi asked, "Xu Heng, are you...?"

Yue Pingting took the mobile phone, clicked and took a photo directly.

"He's playing games, teacher!"

Play games?

Dual purpose?

Can you still answer the questions I gave you fluently?

Yao Ruiyi's head was buzzing.

She held her head and looked at the photo in disbelief.

Afterwards, Yue Pingting also sent a short video.

Xu Heng was manipulating the mouse and keyboard methodically.

This level of stability made Yao Ruiyi think of the way a pianist plays the piano for a while.

Calm down!

Calmly!

Chic!

Yao Ruiyi started talking to herself.

"The fingers are so slender and pretty!"

"Wait! Yao Ruiyi, what are you thinking?"

"It's over! I have completely fallen for you!"

"Hiss...Xu Heng, how perverted are you!"

"I'm sorry! It was I who underestimated your ability far!"

"This is simply not human!"

Yao Ruiyi no longer knew what to do.

She picked up the phone and replied, "Let Xu Heng finish first, I'll ask for advice later."

When Yue Pingting conveyed Yao Ruiyi's words, Xu Heng said calmly, "It's fine, it won't affect you."

Yue Pingting replied.

Yao Ruiyi, "!!!"

Too bad!

If it were someone else, this would be a proper act of pretending to be thirteen!

But the opponent is Xu Heng!

Yao Ruiyi could almost imagine how indifferent Xu Heng was when he said this, and even had a pair of calm, dead fish eyes.

"Hiss... take a breath!"

Yao Ruiyi, "All right!"

"Then I'll post it!"

"I'm doing research recently."

"Xu Heng, I have a few classical Chinese essays with the same pronunciation, look at them!"

"Emperor Die Di"

磾, the emperor's younger brother.媂, Didi.In the lowlands of the embankment, slander the emperor of the embankment.The emperor gave the younger brother Di slander, the younger brother looked at the younger brother, and the emperor mentioned the younger brother.

Di arrives, the land of the emperor, the emperor's younger brother dididi is the enemy of Didi, and the emperor arrives at the residence of Didi.Didi arrives at the younger brother's place, Di Di Di Di, Di Di Di, embarrassment.

"Hedgehog Surrounding Wei"

The obscene hedgehog surrounds Wei, Wei Wei, Wei Wei Wei Wei Wei.Wei Wei called Wei Wei slightly: Afraid of hedgehogs?Wei Wei called Wei Wei: slightly afraid.Wei Wei eloquently comforted the guard: the prestige of the hedgehog is false prestige, the hedgehog has a weak stomach, feed the hedgehog reed, the hedgehog has a weak stomach.The stomach is against the hedgehog's majesty and wilting, but we are only afraid of Wei.Wei Weiwei, referred to as Wei Wei: Wei Wei is not afraid of hedgehogs, he tastes like Wei Wei's hedgehogs!

two!

……