Question

\(\sqrt{1\dfrac{9}{16}x5\dfrac{4}{5}x0.01}\)
Dau x la dấu nhân 

Answer 1

\(\sqrt{1\dfrac{9}{16}\cdot5\dfrac{4}{5}\cdot0,01}\)

\(=\sqrt{\dfrac{25}{16}\cdot\dfrac{29}{5}\cdot\dfrac{1}{100}}\)

\(=\dfrac{5}{4}\cdot\dfrac{1}{10}\cdot\sqrt{\dfrac{29}{5}}=\dfrac{1}{8}\cdot\dfrac{\sqrt{145}}{5}=\dfrac{\sqrt{145}}{40}\)