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How to excel in Mathematics and conquer those scalable mountains!
Yesterday was a cancelled cheque.
Tomorrow is a promisory note.
Today is the only cash that you have now.
Use it properly.
Cool 9 Division Trick
I remembered something that I have learnt years ago. It is a cool way to tell if any number can be divided by 9.
For this example, we shall use 65970 as an example.
* (Step 1): Add all the numbers 65970 as following: 6 + 5 + 9 + 7 + 0 = [...]
Hi guys, you likely all know the 10 times simple trick (to multiply any number by 10, we simply add a 0 behind that number) but do you know about the simple 11 trick? It is just as simple! You should be able to do so in less then three minutes if you know the [...]