章 75: Chapter 74 Are You Sure You're Not Looking for Abuse?

The result after this problem appeared was——

A room full of physics teachers congregated around Ding Cai, with pen-wielders wielding pens and others crunching numbers, but for a while, five or six teachers couldn't come up with an answer.

"This problem is quite interesting..."

"Teacher Ding, where did you get this question? It's really challenging!"

Ding Cai silently glanced at Lu Mian, his gaze quite intriguing.

At this moment, Lu Mian also stopped.

Yawning languidly, her slender fingers restored the computer to its original state and casually wiped the visit history before getting up.

"Teacher, I'm done using it."

She spoke as if breezing through the clouds, as though nothing had happened.

"Oh. You can go back first, I'll call you if there's anything," Ding Cai didn't have the time to bother with her.

Lu Mian walked over, her attitude earnest, "Teacher, could you print out my admission ticket for me? I might as well take it with me."