1. Tính các giá trị biểu thức sau:
a. \(\frac{4^5.2^{16}}{16^6}\)
b. \(\left(1-\frac{2}{5}\right)^2\)+ \(|\frac{-3}{5}|\)+ \(\frac{-7}{10}\)
c. \(\frac{2}{3}.\left(\frac{1}{4}+\frac{4}{5}\right)\)- \(\frac{2}{3}.\left(\frac{1}{4}-\frac{1}{5}\right)\)
\(a,\frac{4^5.2^{16}}{16^6}=\frac{2^{10}.2^{16}}{2^{24}}=\frac{2^{26}}{2^{24}}=2^2=4\)
\(b,\left(1-\frac{2}{5}\right)^2+|\frac{-3}{5}|+\frac{-7}{10}=\frac{9}{25}+\frac{3}{5}+\frac{-7}{10}=\frac{24}{25}-\frac{7}{10}=\frac{13}{50}\)
c, tt