FlashMentalArithmeticWorld

Welcome to spectacle world!

Let’s go on an adventure for flash mental arithmetic

Flash mental arithmetic is to calculate mentally.

For example,

“+1” is displayed quickly, so flash.

And “+5”, too.

At last “+3”.

What’s the answer?

Correct answer is “9”.

This app is for play flash mental arithmetic to the fullest.

Let’s go on an brain adventure!