Răspuns :
[tex]\it d)\ \dfrac{\dfrac{2}{5}}{x}=\dfrac{\dfrac{1}{4}}{10} \Rightarrow \dfrac{0,4}{x}=\dfrac{0,25}{10} \Rightarrow x=\dfrac{0,4\cdot10}{0,25} =\dfrac{^{4)}4}{0,25}=\dfrac{16}{1}=16\\ \\ \\ h)\ \dfrac{0,2}{0,(6)}=\dfrac{0,18}{x} \Rightarrow x=\dfrac{0,(6)\cdot0,18^{(0,2}}{0,2}= \dfrac{6}{9}\cdot0,9=\dfrac{6}{\not9}\cdot\dfrac{\not9}{10}=\dfrac{6}{10}=0,6[/tex]