Question

7 7/30 - (5 11/30 - y) = 3 19/30 решите уравнение срочно!!!!!!!

Answer 1

$7 frac{7}{30} -(5 frac{11}{30} -y)=3 frac{19}{30} \ 5 frac{11}{30} -y=7 frac{7}{30} -3 frac{19}{30} \ 5 frac{11}{30} -y=3 frac{18}{30} \ y=5 frac{11}{30} -3 frac{18}{30} \ y=1 frac{23}{30}$