Math City

Math City is a place where is into Math book, and also the pages of the book are the streets of Math City.

In this City, Monster Number was grossly overweight and had a shaggy body, like a mammoth. In the beginning, Monster Number could not walk very well. Though he swayed a little, tottering and often falling, my father trained him for detecting and killing. After a few days, we attacked Math City.

Math City was bombarded, the doors and the walls shaking while the dark shade of the Monster N...