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How Do You Divide 7 Quickly? [Solved]
Dividing by 7Take the last digit in a number.Double and subtract the last digit in your number from the rest of the digits.Repeat the process for larger numbers.Example: Take 357. Double the 7 to get 14. Subtract 14 from 35 to get 21, which is divisible by 7, and we can now say that 357 is divisible by 7.24 Feb 2019
How to Divide by 7
You may know how to
How to Calculate Faster than a Calculator - 5 (Mental division) by mathOgenius
This Video is the 5th part of mathOgenius mental maths series in which we will learn how to do mental division very fast.
How to Divide in Your Head Quickly
Math teacher Charlie Kasov discusses how to
