Meng Zhao realized that this was not a place for social niceties. If she deliberately gave way, it would seem petty. So, upon hearing the question, she quickly wrote down the formula.
Those who use the exhaustive method, upon receiving the problem, first list the sequence of numbers that satisfy "remainder 2 for 3": 5, 8, 11...29, 32.
Then, on a new line, calculate the condition "4 remainder 1": 5, 9...33, 37. But when I got to this point, I found that the number had exceeded 32, but I had not yet encountered a number that satisfied "3 remainder 2". So I quickly added more numbers after the numbers that satisfied "3 remainder 2": 35, 38, 41, 44.
Just as he was thinking of listing more numbers, a clear voice came to his ear.
"I've calculated it; at least 53 soldiers are needed."
A murmur rippled through the room. Meng Zhao looked at the person who had posed the question and asked, "May I ask if my answer was correct?"
After the examiner surnamed Song finished posing the question, he originally wanted to pour himself a cup of tea and have a couple of sips, but he didn't expect Meng Zhao to answer so quickly. His hand trembled slightly, and he spilled some tea. He widened his eyes and said, "I... I don't know either! I just made up the question on the spot."
So everyone started to check the problem. "53 divided by 3 leaves a remainder of 2, divided by 4 leaves a remainder of 1, divided by 5 leaves a remainder of 3, divided by 6 leaves a remainder of 5, divided by 7 leaves a remainder of 4. All of them are correct!"
"It is indeed 53, absolutely accurate!"
The man who had questioned it earlier now had admiration in his eyes. "This method is indeed wonderful, but I wonder if my students can grasp its mysteries if I teach it to them."
Meng Zhao asked curiously, "Are you also a teacher at Mingde Academy?"
The man shook his head. "No, that's not it. I just run a private school at home to enlighten the children in the neighborhood."
"Since they are children, there is no need to be exposed to this method so early. Although the exhaustive method may seem clumsy, it is the best way to hone children's calculation skills. Just like martial artists must first master the horse stance, the tedious calculation process can cultivate children's patience and concentration."
The doubt in the man's eyes vanished. "I was being stubborn, always thinking about teaching the children the most ingenious solutions, but I forgot that the foundation is the most important thing."
The group sat in the courtyard, discussing arithmetic problems all morning. When she complained that it was inconvenient to see things together and that it would be better to have a blackboard and chalk, Dean Gu became very interested. Meng Zhao then gave a brief explanation of how to use it, and Dean Gu immediately asked her to send over a sample. If it worked well, he would replace all the blackboards in the academy with them.
On the way back, Meng Zhao kept thinking about this matter. Apart from Dean Gu, the Director of Studies of the Imperial Academy who was present earlier seemed to have some ideas as well. If this deal could be finalized, it would be a considerable income.
After all, while blackboards can be used for a long time, chalk is a consumable. If you can have a stable customer base, that means a continuous stream of revenue.
So after arriving home, Meng Zhao didn't rest. Instead, he went outside the city to make a sample.
Coincidentally, the rouge that was made in imitation of Yu Yan Zhai's last product was also produced. Meng Zhao placed the two rouges side by side for comparison. If you looked at them in the box, they were almost identical. However, once they were applied to the skin, you would find that Yu Yan Zhai's rouge was a reddish pink, while her own rouge had a light orange tint. At the same time, the two rouges had the same feel and the same effect of preventing makeup from fading.
"Shopkeeper, we've mixed no less than ten colors, and this is the closest to the real thing. But if we want them to be exactly the same, we'll probably have to mix them a few more times."
Meng Zhao shook her head. "No need, this one will do."
With the main body finished, it was time to choose the packaging. Since Yu Yan Zhai's packaging followed a simple and clean style, hers would follow a colorful and multi-colored style. On the day of the new product launch, Meng Zhao went to the shop to keep an eye on it.
In the main hall of the Treasure Pavilion, there was a large sign with the words, "Red makeup may be pleasing to the eye, but prolonged use will surely damage the skin. Fortunately, there is a face-cleansing cream, which can rejuvenate the skin with a single application."
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