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Math Help - mathematical operations

  1. #1
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    Question mathematical operations

    how it is possible to remove a three-digit number using two mathematical operations
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  2. #2
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    Smile

    Quote Originally Posted by hebby View Post
    how it is possible to remove a three-digit number using two mathematical operations
    what do you mean by remove,is it some kind of magic puzzle ?
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  3. #3
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    Easier if you use an eraser
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  4. #4
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    Question

    well lets say u have a number 208323404.......and i want to get 208323.....what two mathematical operation would I use to remove the last 3 numbers.
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  5. #5
    Senior Member Dinkydoe's Avatar
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    How about subtracting 404 and divide by 100?

    In general: subtract last 3-digitnumber and divide by 100
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  6. #6
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    Quote Originally Posted by Dinkydoe View Post
    How about subtracting 404 and divide by 100?
    In general: subtract last 3-digitnumber and divide by 100
    ...and divide by 1000, not 100
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  7. #7
    Senior Member Dinkydoe's Avatar
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    yes, that was plain stupid, 1000 ofcourse
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