hasil dari 3^-2 + 2^-3/6^-2

= 3^-2 = 1/3^2 = 1/9
= 3^-3 = 1/3^3 = 1/27
= 6^-2 = 1/6^2 = 1/36

jadi,1/9 + 1/27 : 1/36 = 1/9 + 1/27 x 36 = 1/9 + 36/27 = 3+36/27 = 39/27 = 1 12/27 = 1 4/9

semoga membantu