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mediation and duplation
an algorithm for multiplication Pamela Leutwyler
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52 X 61
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52 X 61 half of 52 26 122 double 61
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52 X 61 26 122 13 244 half of 26 double 122
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52 X 61 26 122 13 244 6 488 ignore the remainder half of 13 double 244
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52 X 61 26 122 13 244 6 488 half of 6 3 976 double 488
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52 X 61 26 122 13 244 6 488 3 976 half of 3 1 1952 double 976
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52 X 61 26 122 13 244 6 488 3 976 1 1952
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even 52 X 61 26 122 odd 13 244 6 488 3 976 1 1952
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even 52 X 61 26 122 odd 13 244 6 488 3 976 1 1952
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even 52 X 61 26 122 odd 13 244 6 488 3 976 1 1952 3172 ADD +
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even 52 X 61 26 122 odd 13 244 6 488 3 976 1 1952 3172 ADD + 61 x52 122 305 3172
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