Question

Aflati rezultatul calculului [1,(3)-1]la puterea 2 •0,75

Answer 1

[1,(3) - 1]^2 × 0,75 =

= [(13-1)/9 - 1]^2 × 75/100 =

= (12/9 - 1)^2 × 15/20 =

= [(12 - 9)/9]^2 × 3/4 =

= (3/9)^2 × 3/4 =

= (1/3)^2 × 3/4 =

= 1/9 × 3/4 =

= 1/12 =

= 0,08(3)