Question

Să se efectueze
$\frac{1}{2} + \frac{3}{4} + \frac{1}{5}$
$\frac{1}{48} + \frac{7}{80}$
$\frac{1}{2} + \frac{4}{5} + \frac{7}{10}$
$\frac{1}{12} + \frac{5}{24} + \frac{7}{48}$

Answer 1

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