C490 Countdown

Tears welled up in the corners of Guoguo's eyes as she stood coquettishly on the podium. Then, she said, "Teacher, I've finished writing."

The classroom was stifled. Everyone stared at the last few numbers on the screen with their eyes wide open.

5141.3 …

The other children also understood that Guoguo was writing in reverse.

All the students started flipping through the books one by one