Amazon online bookstore five-star bestseller! !

India's ultra-fast computing method, which is welcomed by readers all over the world, is open! ! !

Why do Indians dare to say that mathematics was invented by them?

Why are Indian engineers the hottest talents in the global technology industry?

Indian Mathematics will show you the super magic of the magic speed algorithm, which will make your mental arithmetic faster than the calculator!

The simplest, most practical and most magical Indian mental arithmetic!

No matter what level of mathematics you are, make sure you understand it at first sight, and you will benefit a lot from it! !

Four characteristics of this book:

Features 1: the original "Indian fast calculation" technology allows you to tell the result of three-digit multiplication in one bite!

Feature 2: the principle of deductive operation skills in simple terms will deepen your understanding! !

Feature 3: every class is equipped with intensive exercises, which will be reviewed in time and never forgotten! ! !

Feature 4: The selected content is close to study and life, suitable for all people! !