Question

как решить по действиям.

Answer 1

$1)- frac{3}{4} - frac{1}{6} =-( frac{9+2}{12} )=- frac{11}{12} \ 2)- frac{11}{12} :(-1 frac{3}{8} )=- frac{11}{12} *(- frac{8}{11})= frac{2}{3} \ \ \ 1) frac{1}{4} - frac{5}{18} = frac{9-10}{36} =- frac{1}{36} \ 2)- frac{1}{36}*36=-1$