Răspuns:
[tex] \frac{1}{2} + \frac{1}{3} - \frac{1}{6} = \frac{3}{6} + \frac{2}{6} - \frac{1}{6} = \frac{5}{6} [/tex]
[tex]2 \sqrt{2} - 3 \sqrt{2} + 5 \sqrt{2} = 4 \sqrt{2} [/tex]
[tex] {2}^{4} = 16 \\ {3}^{5} \div {3}^{3} = {3}^{2} = 9 \\ {2021}^{0} = 0 \\ 16 + 9 - 0 = 25 \\ [/tex]
