Răspuns:
1. a)
[tex] \frac{3}{5} + \frac{3}{5} = \frac{6}{5} [/tex]
b)
[tex] \frac{2}{5} + \frac{2}{5} + \frac{2}{5} = \frac{6}{5} [/tex]
c)
[tex] \frac{2}{5} + \frac{2}{5} + \frac{2}{5} + \frac{2}{5} + \frac{2}{5} + \frac{2}{5} + \frac{2}{5} = \frac{14}{5} [/tex]
d)
[tex] \frac{7}{5} + \frac{7}{5} = \frac{14}{5} [/tex]
e)
[tex] \frac{3}{4} + \frac{3}{4} + \frac{3}{4} + \frac{3}{4} + \frac{3}{4} + \frac{3}{4} = \frac{18}{4} [/tex]
f)
[tex] \frac{3}{2} + \frac{3}{2} + \frac{3}{2} = \frac{9}{2} [/tex]
g)
[tex] \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} + \frac{7}{25} = \frac{140}{25} [/tex]
h)
[tex] \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} + \frac{1}{36} = \frac{21}{36} [/tex]
