(2/3)^2+ (∛((-8)/125)+2,4) (5/2-3)=

〖=(2/3)〗^2+ (+2,4) (5/2-3)=

= + (( )/( )+2,4) (5/2-3)=

= + (( )/( )+( )/( )) (5/2-3)=

= + ((-4 + 12 )/( 10 ) ) (5/2-3)=

= + (( 8 )/( 10 ) ) (( - )/2)=

= ( 4 )/( 9 )+ (( 8 )/( 10 ) ) (( )/2)=

= ( 4 )/( 9 )+ (-8)/20=

= =