What is that one calculator riddle magic weird problem thing?

  • Thread starter Thread starter shiger500
  • Start date Start date
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shiger500

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I learned it in elementary school i fourth grade, but I forgot it -_-
i think it has something to do with the 3 numbers of ur phone number... and you add stuff or divide or WHATEVER you do, you end up with the last 7 digits.... or something like that, i need help with it
thanks :)
 
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