C569 Anarchic spacetime

"Zhu Xingxing, you answer this question."

Zhu Xingxing stood up and said: "Teacher, I was distracted just now, can you repeat the question again? "Thank you."

The old man repeated his question, and Zhu Xingxing immediately gave a very precise answer.

Everyone looked at him in astonishment. Zhu Xingxing had entered this class with the last place in the class and every day, besides sleeping