C1379 Third Generation 3
He looked at his cell phone. It was a little after seven, and the boys in the back were coming out the back door one after another.
Shen Yicheng only thought for a short while before taking out another thick book to train in mathematics. He picked the main topic of the function part and started to do it.
He did three big questions in half an hour, got the answers right, and closed the book