Răspuns :
[tex]0.02 = \frac{2}{100} = \frac{1}{50} [/tex]
[tex] 7.8 = \frac{78}{10} = \frac{39}{5} [/tex]
[tex]0.9 = \frac{9}{10} [/tex]
[tex] 7.8 = \frac{78}{10} = \frac{39}{5} [/tex]
[tex]0.9 = \frac{9}{10} [/tex]