Question

(1:3)^2-1:6-13:90это дроби

Answer 1

(1/3)^2-1/6-13/90

$\frac{1}{9}-\frac{1}{6}-\frac{13}{90}$

$\frac{10}{90}-\frac{15}{90}-\frac{13}{90}$

-18/90=-0.2