Olivia's International Fun on MSN
A simple multiplication trick for two digit numbers
Olivia shares a simple multiplication trick that makes two digit multiplication easier when the numbers end in 1.
Olivia's International Fun on MSN
A clever way to multiply two digit numbers
A clever calculation trick offers a different way to multiply two-digit numbers.
Four thousand years ago, the Babylonians invented multiplication. Last month, mathematicians perfected it. On March 18, two researchers described the fastest method ever discovered for multiplying two ...
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