Explicație pas cu pas:
[tex]-2,(3) + \frac{16}{3} - 6,(6) = \\ = - \frac{23 - 2}{9} + \frac{16}{3} - \frac{66 - 6}{9} \\ = - \frac{21}{9} + \frac{16}{3} - \frac{60}{9} \\ = - \frac{7}{3} + \frac{16}{3} - \frac{20}{3} \\ = \frac{ - 7 + 16 - 20}{3} \\ = - \frac{11}{3} = - 3,(6)[/tex]
