Question

помогите плииз 25 баллов

Answer 1

1)  1$frac{2}{3} +1 = 1 frac{2}{3}x* frac{2}{5} ;$

x= 2$frac{2}{3}/ frac{2}{3} = x = frac{8}{3}* frac{3}{2}; x=4;$

2)  2+1$frac{3}{5} = frac{8}{5}x* frac{3}{4} ; x = frac{18}{5}* frac{5}{6} ; x = 3;$