Welcome to "Brain-Numbing!! Arithmetic Death-Ga!!"☆☆☆ Arithmetic Quiz, Brain Training, SPI, IQ Test

Hello!!

"Brain-Numbing!! Arithmetic Death-Ga!!" Thank you for visiting.

To help those who "dislike or hate arithmetic" realize that "arithmetic and mathematics are surprisingly interesting!", I present original problems in a "brain-numbing quiz format" from the
"Number Demon World" set by the "Great Arithmetic Demon King Death-Ga" using "brain-numbing quiz formats".

I would be happy if you could enjoy these casually, like a pastime or a game!!