How To Calculate Cube Roots In Your Head
Here s how you do cube roots in your head Avoid looking like Education Secretary Nicky Morgan who was stumped when asked to do a cube root: Note: the starting number needs to be a perfect cube. So it s more of a magic trick: ask someone to cube a number and then you can deduce their original number quickly. Check out my book The Best Mental Math Tricks (rated 4. 7, 5 stars on 4 reviews) Can you multiply 97 by 96 in your head Or can yo
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