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math

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arrays and an expanded algorithm 23*17

  • math - ,

    log ( a * b ) = log a + log b



    log ( 23 * 17 ) = log 23 + log 17

  • math - ,

    23 x 17


    10 x 20 = 200

    10 x 3 = 30

    7 x 20 = 140

    7 x 3 = 21


    200 + 30 + 140 + 21 = 391


    23 x 17 = 391

  • math - ,

    expanded algorithm

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