(8×27)的3分之1次方-(5的2分之3次方-25的4分之3)的3次方
(8×27)^1/3-(5^3/2 -25^3/4)³
 
=(2³×3³)^1/3-(5^3/2 -5^2×3/4)³
 
=2^3×1/3×3^3×1/3-(5^3/2 -5^3/2)³
 
=2×3
 
=6