What is #(50/5^2)^2 -: 4#?

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Answer 1 · 2016-05-30T15:17:23

1

Known that #5^2->5xx5 = 25#

So #(50/5^2)^2 -:4 -> (50/25)^2 -:4 -> #

Known that #" "25+25=50 -> 50/25=2#

Giving:

#(50/25)^2 -:4 " "->" " 2^2 -:4 #

But #2^2=4 # so

#2^2-:4" "->" "4-:4" " =" " 1#