Russian peasant multiplication

名词 n.

英文释义

名词 n.
  1. A form of multiplication in which the powers of two in the decomposition of the multiplicand are found by writing it on the left and progressively halving the left column, discarding any remainder, until the value is 1 (or −1, in which case the eventual sum is negated), while doubling the right column. uncountable
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