Amazing Math Tips & Tricks For Fast Calculation

Today we will learn some cool math tricks, So that, we can use more our brain and less our calculator.

1. Square a two digit number ending in 5

2. Multiply any number by 4, 5, 15, 11,

3. Multiply two numbers between 10 and 20

For example: 15*17, 19*13

4. Divisibility Check

There is one math trick only for YOU!

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