My young time to learn to sit in the back room talking to a friend of
One day learning mathematics. It talk normal. I see would despise.
Call me "... Out negative numbers on the board.
I wonder why I just delete the number call out in front of the room, I grab the eraser.
Erase immediately, see friends face อึ้งๆ and laughing, when I turn around.
"Hey, I let her remove the math problem to find the answer. No yes out erase the board".
After that, the teacher can tell teachers in other sounds being tease until graduation.