a)
[tex] \frac{1}{8} = \frac{2}{16} \: daca \: [/tex]
[tex]2 \times 8 = 16 \times 1[/tex]
[tex]16 = 16 \: adevarat[/tex]
b)
[tex] \frac{4}{5} = \frac{8}{10} daca[/tex]
[tex]8 \times 5 = 10 \times 4 \\ 40 = 40adevarat[/tex]
c)
[tex] \frac{1}{2} = \frac{1}{3} daca[/tex]
[tex]2 \times 1 = 3 \times 1 \\ 2 = 3fals[/tex]
d)
[tex] \frac{3}{6} = \frac{4}{12} daca[/tex]
[tex]3 \times 12 = 6 \times 4 \\ 36 = 24fals[/tex]
