A little over a week ago.
When writing a letter to Jia Xian, Old Su once mentioned some situations to Xu Yun:
Jia Xian is advanced in age, and what he studies daily are relatively profound mathematical problems, not swayed by money.
To persuade him to come to Bianjing to help, they must present something compelling enough to entice him.
Therefore, when choosing what to write in the letter.
Xu Yun could only rack his brains to include the knowledge Jia Xian might be most interested in.
Such as yin-yang... which is the odd-even changes, a few binomial issues, and...
The very famous cube root problems in the "Nine Chapters on the Art of Mathematics," which up to now have few solutions, among others.
Unexpectedly.
The 'dose' Xu Yun gave seems a bit too much, and the other party is already on the way, following the internet cables.
Of course.
Due to the limited perspective.
