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Toferino
I think that it would be more correct to say that for the one group they are perfect squares rather than simply "square roots". Their square roots are integers, but you don't specify that. I'm a mathematician so naturally I'm pedantic!
(1 year, 10 months ago)

RedHotMamma
You may want to tweak the answer to the numerical question to say they are the product of square roots / perfect squares.
(1 year, 10 months ago)

 

 


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