Maths is your friend If you meet with him every day, he becomes your best friend. If you leave for a time he forget you and you forget him.
How many times can you subtract 7 from 83, and what is left afterwards? You can subtract it as many times as you want, and it leaves 76 every time.
M4Math helped me a lot.
Thanks m4 maths for helping to get placed in several companies. I must recommend this website for placement preparations.