Multiplication Trick - A Different Way to Multiply.
Uploader: tecmath
Original upload date: Fri, 26 Apr 2013 00:00:00 GMT
Archive date: Sat, 27 Nov 2021 22:59:32 GMT
This multiplication trick seems to have it's origins all over!
It's a great trick which uses groupings of numbers and can be used for any numbers!
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