Question

(-1/3)³-(-1/3)²+1
Помогите срочноооо

Answer 1

$(- frac{1}{3} )^3-(- frac{1}{3} )^2+1=- frac{1}{27} - frac{1}{9} +1= frac{-1-3+27}{27}= frac{-4+27}{27} = frac{23}{27}$