Mental Mathematics Made Easy!!

Wow! Thanks for sharing. I've been always fascinated by people who can do math computation without using pen and paper.
 
First of all sorry for the late reply because i found your thread now.. People always told me I was amazingly quick when it came to mental arithmetic. However, this site offers some excellent tips, which I didn't know about. I feel it has really improved my ability to perform mental calculations.
In fact it helped me towards coming Mental Calculations World Championships ..
 
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