Math Trick for Fast Multiplication
Автор: tecmath
Загружено: 2019-09-25
Просмотров: 81002
Описание:
#fastmathtricks
#mentalmath
#mathtrick This math trick is pretty easy to do, and can be done in your head faster than a calculator.
This trick only works when multiplying numbers that both end in five. A couple of simple steps and you're done!
In addition, the mathematical reasons why this trick work are simply explained at the end of the video.
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