Răspuns:
d. -1; e. 1,8(3); f. -3,(6)
Explicație pas cu pas:
d.
[tex] \frac{1}{3} - \frac{25}{10} + \frac{116 - 11}{90} = \frac{1}{3} - \frac{5}{2} + \frac{7}{6} = \frac{ - 6}{6} = - 1[/tex]
e.
[tex]3 - \frac{13 - 1}{9} + \frac{1}{6} = 3 - \frac{4}{3} + \frac{1}{6} = \frac{18 - 8 + 1}{6} = \frac{11}{6} = 1.8(3)[/tex]
f.
[tex] - \frac{23 - 2}{9} + \frac{16}{3} - \frac{66 - 6}{9} = - \frac{21}{9} + \frac{16}{3} - \frac{60}{9} = \frac{ - 81 + 48}{9} = - \frac{33}{9} = - \frac{11}{3} = - 3.(6)[/tex]
