How to Easily Square Numbers in Your Head I The Great Courses
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You can square any two- or three-digit number that ends in five faster than your phone's facial ID will recognize you. This simple trick will boost at least one of your math skills to supersonic speeds. So let that calculator app gather some dust and channel your inner Euclid today.
Presented by Arthur Benjamin
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#MathTricks #Mathemagician #QuickMultiplication