Fun With Figures

AMAZE YOUR FRIENDS

Use the formula ALL FROM 9 AND THE LAST FROM 10 to perform instant subtractions.

  • For example 1000 - 357 = 643

    We simply take each figure in 357 from 9 and the last figure from 10.

    So the answer is 1000 - 357 = 643

    And thats all there is to it!

    This always works for subtractions from numbers consisting of a 1 followed by noughts: 100; 1000; 10,000 etc.

  • Similarly 10,000 - 1049 = 8951
  • For 1000 - 83, in which we have more zeros than figures in the numbers being subtracted, we simply suppose 83 is 083.  

    So 1000 - 83 becomes 1000 - 083 = 917


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Amaze Your Friends

 

Mathematics, rightly
viewed, possesses not
only truth but supreme
beauty. . .
Bertrand Russell

 

   

 

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