Cut off, sorry... Because I have no experience in writing a book for the first time, the writing is messy, but I am very reluctant to let go of the idea, so I decided to rewrite it. Thank you everyone for your continued support. I am sorry again.
Reader comments
Wonderful, but arithmetic has been around since ancient times and was not invented by modern people.
Wonderful, but arithmetic has been around since ancient times and was not invented by modern people.