nilai paling sederhana

1000^1/3 + ( 5^3) ^ z/3 + (9^2) z/4
(10^ 3)^1/3 + ( 5 )^ z/3 .3 + (9)^ z/4 .2
10 + 5^z + (9)^ z/2
10 + 5^z + (3)^ 2 . z/2
10+ 5^z + 3^z