Question

Ma poate ajuta cineva​

Answer 1

$1 \frac{1}{2} + 2 \frac{1}{3} - 3 = \frac{3}{2} + \frac{7}{3} - 3 = \\ \\ \frac{9 + 14 - 18}{6} = \frac{23 - 18}{6} = \frac{5}{6}$