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16 Jun 2008 22:25:27 IST

Subject: Re:any tips n tricks in math,phy or chem???rate sure...

navi.6681 (79)

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SEE. DURING MULTIPLICATION OF ANY NUMBER WE HAVE TO FIRST HALF THE NO. AND THEN ADD zero

eg.160X5 can be writen as 80x10=800 (half and then add 0)

during division double the no. and remove zero.

eg.160/5 =320/10=32 (double no. and remove zero)

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