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10 fast math tricks

10 math fast trick of squarer and multiplication

1- Square if Ending Number is 5
2- Square if Beginning Number is 5
3- Multiplication if ending number sum is 10
4- Multiplication if ending number is same 10
5- Multiplication if ending number is 5
6- Multiplication if beginning number is 5
7- Multiplication if beginning number sum is 10
8- Multiplication if number in Continues
9- Multiplication if number in one jump
10- Multiplication if ending number is 1

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