Ma poate ajuta cineva
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[tex]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} [/tex]