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• altruismandcake (25)in #math • 7 years ago

  Remainder Principal and why the 11 Principal works

  This is a continuation of the previous post about the 11 Principal. I'll start by explaining with 9, 99, 999, and beyond, then extend to base-1, base²-1, base³-1, and beyond.…

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• altruismandcake (25)in #math • 7 years ago

  Base plus one, the eleven principle

  An easy way to see if a number can be divided evenly by 11 is by following a few easy step. Choose a number. Add every other digit together. Then add the rest of the digits…

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