Bài 1 : Tính toán
a. \(\left(-\frac{2}{3}\right)^4\): 24 d. \(\frac{3^3-\left(0,9\right)^5}{\left(2,7\right)^4}\)
b. \(\left(\frac{3}{4}\right)^3\). \(4^4\)
c. \(\frac{3.\left(0,8\right)^5}{\left(2,4\right)^4}\)
e. \(\left(\frac{-7}{2^{ }}\right)^2\)+ \(\left(\frac{-3}{4}\right)^3.64\)-\(\left(\frac{-61}{5}\right)\)
f. \(\frac{2^4.2^6}{\left(2^5\right)^2}\)- \(\frac{2^5.15^3}{6^3.10^2}\)