(4/9)*1/2+(8/27)*1/3+(1/81)*1/4..adalah isi cara

(4/9)^½ + (8/27)^⅓ + (1/81)^¼
= ((2/3)²)^½ + ((2/3)³)^⅓ + ((1/3)⁴)^¼
= 2/3 + 2/3 + 1/3
= 5/3
= 1⅔

(4/9)^(1/2) + (8/27)^(1/3) + (1/81)^(1/4)
= ((2/3)^2)^(1/2) + ((2/3)^3)^(1/3) + ((1/3)^4)^(1/4)
= 2/3 + 2/3 + 1/3
= 5/3
= 1 2/3