Question 192166
The best way to do these is to find the common factors of the beg numbers.
54=2*3^3
{{{root(3,3/54)=root(3,3)/3root(3,2)=(root(3,3)/3root(3,2))*(root(3,2)/root(3,2))^2=root(3,4)root(3,3)/6=root(3,12)/6)}}}
It took a very long time for me to do this. I'll leave the others to you. They all follow the same pattern.
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Ed