In this question,We have to group the given expression to get 5 as the final answer .
[tex] 5^3 \div 5+20 [/tex]
Here we put 5 +20 in parenthesis, that is
[tex] 5^3 \div (5+20) [/tex]
And we do the required operations, that is
[tex] =125 \div 25 =5 [/tex]
And we get 5.
