Exercițiul 1 nu il stiu.
2.
[tex] \frac{12}{100} = 0.012[/tex]
[tex] \frac{3}{ {10}^{2} } = 0.3[/tex]
[tex] \frac{2323}{ {10}^{5} } = 0.02323[/tex]
[tex] \frac{1581}{10} = 158.1[/tex]
[tex] \frac{20000}{100 =} = 20[/tex]
[tex] \frac{4500}{100} = 45[/tex]
[tex] \frac{20}{10000} = 0.002[/tex]
[tex]1 \times \frac{17578}{1 {0}^{3} } = \frac{18578}{1000} = 0.018578[/tex]
