Question

(0,8(-1/6))+(-2 1/30) решите плиз

Answer 1

1)0,8*(-1/6)+(-2*1/30)=$( frac{8}{10} *(- frac{1}{6}))+(-2* frac{1}{30} )=-frac{8}{60}-frac{2}{30}=-frac{4}{30}-frac{2}{30}=-frac{6}{30}=-frac{1}{5}=0,2$