• kbal
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    85 months ago

    Isn’t this basically just the old trick of estimating (x * y) as (x + y - 1) when x and y are somewhat close to 1?

    • P03 Locke
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      15 months ago

      3 * 2 = 6

      3 + 2 - 1 = 4

      So, close enough? How “close to 1” are you talking about?