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Vedic maths


sri_nav
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I am die-hard fan of maths and like to solve problems in most easiest way possible,because i'm just damn lazy to solve by bigger methods.

 

It seems (overheard) that vedic maths is one such tool which takes us through easiest ways to solve.

 

can i know how? the links related to it? the complete information about it?

 

A complete thread on vedic maths.

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one of my personal favorites is the subtract multiply method.

  89 
* 97
-------

100 subtract from each.

 100 -89  = 11
*100 -97  = 3
-------

subtract one the two numbers with the cross wise multiplication value.

(ie. either 97 - 11 or 89 - 3)

  89  11
* 97  3
-------
  86

multiply by the amount subtracted.

   89  11
 * 97  3
 -------
 8600

multiply the two subtracted values, and add.

  89  11
  * 97  3
  -------
 8600
+	33
--------
 8633

 

unfortunately this is sort of a special case multiplication, and can only be effectively done when the two numbers are fairly close together,

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