a)x+$\frac{3}{22}$=$\frac{27}{121}$.$\frac{11}{9}$
b)$\frac{1}{5}$:x=$\frac{1}{5}$-$\frac{1}{7}$
c)(-2$\frac{2}{11}$):x-4$\frac{2}{3}$=$\frac{5}{6}$
d)3$\frac{1}{3}$x+16$\frac{3}{4}$=-13,25
Loga
Sinh Học lớp 12
