11.$\left(\frac{16}{81}\right)^{-\frac{3}{4}}+\log _{3} \frac{5}{4}+\log _{3} \frac{4}{5}=$ $\_\_\_\_$ .
参考答案$\frac{27}{8}$
2014_退役省自主命题 (2014·文)
11.$\left(\frac{16}{81}\right)^{-\frac{3}{4}}+\log _{3} \frac{5}{4}+\log _{3} \frac{4}{5}=$ $\_\_\_\_$ .