The test lasted longer than expected. When the last question of six on Pythagorean measurement was finished, it was already three quarters past three in the afternoon.

Song Guanzhou was amazed as he did it. He could use the abacus very quickly. Not only did the others feel tired watching him, but Xiao Cang and Song Guanzhou also looked tired, especially Song Guanzhou.

The hot weather caused the new medicine she had changed in the morning to be soaked with sweat, causing a dull pain in her leg bones.

In addition, I had to write at the desk in the same posture except for going to the toilet and changing clothes, which caused back pain and waist soreness.

As she finished the last question, she said loudly, "I have finished the answer."

Linxi stepped forward, took a page of answers, and handed it to Xiao Hongyun. Xiao Cang was still thinking hard. The root was not a problem, but he was troubled by how to calculate.

Especially when the cylindrical wood is planed into wooden cubes, Xiao Cang was troubled as to how to list them.

Thanks to modern mathematical thinking and solutions, Song Guanzhou listed a bunch of letters and numbers in a clear and understandable way.

By this time, Pei An had become numb to the unfamiliar lists of numbers.

But after Song Guanzhou finished writing and rolled it into a ball, he took another step and threw it into the fire basin, where it burned to ashes.

The incense had burned out, and Xiao Cang rushed to hand in his paper at the last minute. He had left two answers to the twelfth question unanswered. After Xiao Hongyun whispered to Pei Jian and Xiao Hongli, he read out loud, "There are six questions in the twelfth question. Xiao Cang answered four correctly and three correctly."

Having said this, I can only sigh.

Because this was the first time that Xiao Cang had not finished answering all the questions, Li Nianqiu shook his head and said, "Question 12, I looked at the question and had no idea how to start. It's already amazing that Xiao Wulang could answer four questions."

Huang Zhi said nothing. He looked across at Song Guanzhou, who was holding her chin with her hands and concentrating on looking at the Xiao clan leader. That woman was already calm and composed.

From beginning to end, she neither laughed out loud for doing the right thing nor felt sad for doing the wrong thing.

Beside her, her handsome husband personally handed her a cup of herbal tea. How could one not be envious of such a loving couple?

Liu Xian and his friends could no longer hold back their anger.

"My fourth aunt must have done everything right!"

He called out, and Qin'er, Ling'er, and Huang'er, who were clamoring to come behind him, followed him without thinking. The four aunts, who came one after another, were all right, and the calls echoed by the lotus pond.

Qin Dalang shook his head, "Brother Xian, this question is very difficult."

"No! We believe in Fourth Aunt!"

Xiao Cang did not look back at this moment and argued with the children. He was a test taker and knew the level of the last few questions, which could be said to be the most advanced mathematics in the Dalong Dynasty today.

He has no regrets for not finishing it.

Looking at Song Guanzhou opposite him, his face was calm and he was waiting for Xiao Hongyun's announcement.

"...Song Guanzhou, all correct!"

boom!

The most lively person was not Liu Xian who was shaking Qin Erlang, nor were Qin Ge'er and Ling Ge'er who were the loudest. Instead, it was the women who were cheering, "Ah! Guan Zhou, Guan Zhou did everything right!"

"… Fourth sister-in-law, you are so amazing!"

Pei Shuyu and Pei Qiuyu had been ignoring each other, but now they bumped into each other by accident, holding hands and laughing, "Who says women are inferior to men? Look, our fourth sister-in-law did everything right!"

After the two finished talking, they realized that they were enemies and immediately let go. One of them looked for the Xiao family's sisters, while Pei Shuyu complained to Mei Qingyu in a low voice, "I misjudged it and thought it was you, my cousin."

Mei Qingyu suppressed the mixed feelings in her heart, shook her head slightly, and said sincerely, "Fourth sister-in-law is really... amazing!"

Of course it's awesome.

Everyone remembers how many mistakes the two made.

Now it seems that Xiao Cang got two questions wrong and did not answer two questions, a total of four questions. On the other hand, Song Guanzhou got three questions wrong and did not answer any, so it was clear who won or lost.

Because Pei Chen led everyone to place bets, the wins and losses of the two directly affected everyone's investment returns.

At this moment, everyone was excited.

Pei Jian and Xiao Hongli were still calculating the cumulative scores. This was not as everyone said, that the scores for each question were the same. It was written on the test paper, but there were slight deviations for each question.

Jiang Buyi was also pulled over by Pei Jian to do the statistics. Xiao Hongyun stood up and used both hands to calm the crowd's excitement. "The total score hasn't come out yet, don't worry."

Xiao Cang covered his eyes. He had overused his eyes and felt very uncomfortable.

After rubbing it a few times, tears came out and it became red and swollen.

Mu Er and Mu San brought cold water and a towel to his front to apply to his eyes. Xiao Du was beside him, cleaning up the remnants on the desk and jokingly said, "Why, are you going to cry?"

"Nonsense! Who would cry?"

Xiao Du laughed, "Brother Cang, it's not shameful to lose to Guan Zhou."

Xiao Cang shook his head, denying this statement.

"Except at the beginning, when she really agreed to the competition, I never looked down on her. Brother, although I am exhausted today, it is worth it."

He took off the scarf from his eyes and looked at Xiao Du seriously and attentively.

Xiao Du was about to tease, but was moved by Xiao Cang's sincere words. After a moment, he said, "The fact that you can think like this proves that you have grown up."

Xiao Cang's defense was instantly broken, "I grew up early and have reached the age of twenty. What are you talking about, brother?" He turned into the sheepskin coat that burst at the slightest poke.

"Come on, come on, come on, get up and relax for a while."

Because the calculations have to be cumulative and the answers have to be re-checked, the results will come out more slowly.

Xiao Cang stood up and, without paying any attention to others, walked towards Song Guanzhou, who had been surrounded by Liu Xian and others. Mu Er moved a drum stool and followed him over.

As expected, Xiao Cang drove Qin Ge'er and the others away, leaving only Liu Xian. He sat down next to them and asked bluntly, "Guan Zhou, if I remember correctly, when you calculated the circle, what was the difference between the circumference and the diameter?"

What?

Song Guanzhou was confused and looked at Pei An, "What are you asking?"

Pei An and Song Guanzhou worked very well together. At this moment, he picked up the pen to draw a cylinder, pointed to the circumference of the upper and lower circles and said, "This is the circumference, and the diameter is the longest inside the circle."

Got it, got it!

Circumference and diameter of a circle.

Song Guanzhou pondered for a moment and then realized, "Brother Cang, are you asking about the division of the circumference and the diameter?"

"Divide?"

It was Xiao Cang's turn to be puzzled, and Song Guanzhou immediately changed his words, "It's quotient, quotient number, right?"

Xiao Cang nodded in confusion, not knowing that a circle of students had gathered around them. Huang Zhi, Li Nianqiu and others were standing beside the two of them, listening to Song Guanzhou speak.

Song Guanzhou was also not vague. He took out paper and pen and demonstrated on the cylinder drawn by Pei An. It turned out that what Xiao Cang asked was how to obtain the value of pi.

"How much did you take?"

Xiao Cang said, "I took three. What about you?"

Song Guanzhou held his forehead with his hand, thought for a moment and said, "Three, one, four."

She remembered that the rate of 3.1416 was created by Liu Hui in the Wei and Jin Dynasties. In fact, Liu Hui had calculated it to . However, considering that this was a fictional era after all, she considered it and conservatively took . As a result, the calculated result was slightly different from what Xiao Cang had calculated.

Judged wrong.

Xiao Cang was stunned for a moment, "How did you calculate it?"

Song Guanzhou did not hide it either. He untied the colored rope on his head, held one end in his left hand, and pressed the other end on the pen. Without moving his left hand, he quickly drew a circle with the ink and brush.

"...What does this mean?"

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