\(\left(\frac{3}{4}\right)^3:\left(\frac{3}{4}\right)^2:\left(\frac{2}{3}\right)^3\)
\(=\left(\frac{3}{4}\right)^{3-2}:\left(\frac{2}{3}\right)^3\)
\(=\frac{3}{4}:\left(\frac{2}{3}\right)^3\)
\(=\frac{3}{4}:\frac{8}{27}\)
\(=\frac{81}{32}.\)
Chúc bạn học tốt!