Răspuns :
doime=2patrimi
[tex] \frac{1}{2} = \frac{2}{4} [/tex]
[tex] \frac{1}{2} + \frac{1}{2} = \frac{2}{4} +0[/tex]
[tex] \frac{1}{2} = \frac{2}{4} [/tex]
[tex] \frac{1}{2} + \frac{1}{2} = \frac{2}{4} +0[/tex]