"...Now there are two handfuls of upper grain, one handful of middle grain, and one handful of lower grain, which is actually twenty-four measures; one handful of upper grain, two handfuls of middle grain, and one handful of lower grain, which is actually nineteen measures; and one handful of upper grain.

, There is one bushel of middle grain and two bushels of lower grain, which is actually seventeen buckets. What are the geometries of the actual one bushel of upper, middle and lower grain? How do you solve this problem? "

Then I saw a handsome young man who said loudly, "There is a saying in "Nine Chapters of Arithmetic" that we should use the method of 'multiplication and direct division' to solve it."

The gentleman is a gentle and elegant middle-aged man wearing a green shirt. He nodded and said, "Yes."

The man smiled and said confidently, "One hold of upper grain and nine measures of grain; one hold of middle grain and four measures of grain; one hold of lower grain and two measures of grain."

The teacher praised, "Not bad." Then he looked at the new student sitting behind him and asked with a smile, "Is there any other solution?"

The man's smile paused for a moment, then he saw the handsome young man standing up and said, "Sir, if the student is not talented, there is another way."

The husband said, "Please tell me and listen."

"Add the upper grain, middle grain, and lower grain respectively to get the upper grain. The middle grain and the lower grain are four handfuls each, which is actually sixty buckets. It can be seen that one handful of upper grain, one handful of middle grain, and one handful of lower grain are actually ten.

Five buckets. The difference between twenty-four and fifteen is nine, which is the upper grain; the difference between nineteen and fifteen, which is four, is the middle grain; the difference between seventeen and fifteen, which is two, is the lower grain."

The gentleman stroked his beard and said with a hearty smile, "Okay, okay! Zong Xian draws inferences from one case to another and understands everything... You are all very good... very good!" There was great joy in his brows.

The man who was called Zongxian was named Chen Zongxian. Hearing this, he turned back and glanced at the young man.

Their eyes met, and the young man smiled faintly at him.

Chen Zongxian also smiled and nodded at him, then turned his head and listened to the lecture without mentioning it.

After the arithmetic class was over, the students each left their seats. Some were chatting and joking with others, and some were going for a walk. Then Chen Zongxian walked to the previous boy's seat, cupped his hands and said, "You have a quick mind, and you are a real fool."

I feel inferior... I will ask my wise brother for advice more in the future."

Su Heng, who now goes by the pseudonym Su Xingzhi, was reading a book. When he saw this, he stood up and said, "Brother Chen is so flattering to me..."

Zhou Jizu and Chen Zongxian, who were sitting in front of him, had always been good friends. Hearing this, he smiled and said, "Don't be humble, both of you. Didn't you hear that even Master Fang praised you just now... He rarely praises others! It's us who should praise you.

Just study!”

Su Heng smiled and was about to speak when he saw Qingfeng put his head in from the outside, swept around it, and then retracted.

Su Heng was confused and hurriedly smiled and said, "You two, I have something to do, so I'll excuse you for a while."

Chen Zongxian then nodded and said, "My dear brother, please excuse me."

Su Heng bowed his hands and went outside.

"What's the matter?" he asked with a cold frown.

However, it was said that Su Heng's food, clothing, housing and transportation in the college were the same as those of ordinary students, and even Qingfeng only occasionally helped him after returning to the dormitory.

Now he appears outside the lecture hall...

Qingfeng did not notice Su Heng's displeasure at all, and said happily, "Second Master, Second Grandma is here to see you!"

…………………………

"Why are you here?!" Su Heng was sweating profusely as he ran, "When Qingfeng said it just now, I thought I was hallucinating!"

"I made some food... I originally wanted to ask someone to bring it to my cousin, but the eldest sister said that I can deliver it in person." Song Yunpan took a handkerchief to wipe Su Heng's sweat and said angrily, "Second cousin

Why are you running so fast...Look at the sweat on your head. Now that it's getting colder today, what should you do if you catch a cold again if the wind blows?"

Su Heng held her hand, "Aren't you happy to hear that you are here?" He couldn't help but said, "It takes more than two hours to go back and forth, so you don't mind being too tired..."

As he spoke, he reached out to lift her curtain hat, "Let me see if you have taken good care of yourself during my absence..."

Seeing this, Song Yunpan took the initiative to lift up the white gauze on the curtain hat, smiling with crooked eyebrows, "I listen to my cousin, I eat a lot of food every meal..."

My clothes have become a little tight lately due to eating...

Su Heng saw that her little face was flushed, her big clear eyes were shining with hope, and her pink mouth was even more sparkling under the sun. It seemed that she was living very comfortably at her eldest sister's house recently, and she couldn't help but pinch her

He pinched her rounded cheeks and said with a smile, "That's how good you are."

Song Yunpan's face couldn't help but heat up, and it took her a while to remember what she was doing today. She hurriedly took the food box from Bai Tan's hand and handed it over, "This is the lily cake that my second cousin liked last time... My eldest sister ate it

It also said it was delicious...I made a lot of it, and my second cousin will take it back and share it with my classmates later."

She originally wanted to prepare one for Fang Xuezheng, but she thought that Su Heng said that this person had a weird personality and disliked these kinds of human relationships. She was afraid that it would be counterproductive, so she had to give it up.

Su Heng reached out to take it and said disapprovingly, "They have their own wives to worry about. You don't care about them... I don't even have enough to eat myself."

Song Yunpan said seriously, "That's different... Second cousin is here for the first time, so you should thank them for taking care of you." She was afraid that Su Heng would really leave him to eat, so she quickly said, "If second cousin likes it, I will

We’ll just do it later.”

Seeing that she was serious, Su Heng stopped teasing her and said with a smile, "I know...but you won't do this again."

Song Yunpan was stunned for a moment, and her joyful mood a moment ago suddenly felt like someone had poured cold water on her. She whispered, "Don't you like it..." She thought her second cousin would be very happy to see that she was so sensible.

…

"Of course I don't like it." Su Heng said matter-of-factly, "But the food you make is so delicious. What if they get addicted to it after eating it once and ask me what they should do in the future?"

Besides, he doesn't like her cooking food for others...

Realizing that his second cousin was praising him, Song Yunpan's little face suddenly turned from gloomy to clear, and he said with a smile, "If everyone likes it, I can do it again..."

Anyway, she has nothing to do at home. It would be best if she could help her second cousin!

"That's not possible." Su Heng said sternly, "What you cook can only be eaten by myself." Yin thought about it and asked, "Are you planning to stay for a few days this time, or are you going back?"

Song Yunpan definitely wanted to stay with him, but Su Heng lived in a dormitory in the academy, and there was no extra room for her... If she lived in his dormitory, she was afraid that he would be laughed at by his classmates...

Song Yunpan was hesitating a little when he heard someone say with a smile, "Isn't this possible?"

Song Yunpan was stunned for a moment, and subconsciously looked at the person who was speaking. When he realized it, before he even put down his curtain and hat, two pieces of white gauze had already been dropped by Su Heng.

Just enough to completely cover her face.

Su Heng stepped forward and said with a smile, "Brother Zhou, Brother Chen."

It was Chen Zongxian and Zhou Jizu who came over.
Chapter completed!