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Michaelangel007 2016-08-19 08:09:21 -07:00
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@ -67,24 +67,23 @@ Example of Russian Peasant multiplication:
In Base 10: In Base 10:
``` ```
A B Sum A B Sum = 0
86 57 86 86 57 0 + A = 86 (b is odd)
172 28 86 x 2 = 172 / 2 = 28 86 = 86
344 14 86 x 2 = 344 / 2 = 14 86 = 86
688 7 774 x 2 = 688 / 2 = 7 86 + A = 774 (b is odd)
1376 3 2150 x 2 = 1376 / 2 = 3 774 + A = 2150 (b is odd)
2752 1 4902 x 2 = 2752 / 2 = 1 2150 + A = 4902 (b is odd)
``` ```
In Base 2: In Base 2:
``` ```
A B Sum Sum = 0 A B Sum = 0
01010110 00111001 00000001010110 Sum += A 01010110 00111001 + A = 00000001010110 (b is odd)
010101100 00011100 00000001010110 -- 010101100 00011100 = 00000001010110
0101011000 00001110 00000001010110 -- 0101011000 00001110 = 00000001010110
01010110000 00000111 00001100000110 Sum += A 01010110000 00000111 + A = 00001100000110 (b is odd)
010101100000 00000011 00100001100110 Sum += A 010101100000 00000011 + A = 00100001100110 (b is odd)
0101011000000 00000001 01001100100110 Sum += A 0101011000000 00000001 + A = 01001100100110 (b is odd)
``` ```