b.
[tex] - \frac{9}{10} - \frac{7}{12} + \frac{19}{30} + \frac{1}{5} [/tex]
[tex] \frac{ - 54 - 35 + 38 + 12}{60} [/tex]
[tex] \frac{ - 39}{60} = - \frac{39}{60} [/tex]
[tex] - \frac{13}{20} [/tex]
d.
[tex] \frac{5}{4} - \frac{4}{5} - \frac{5}{2} + \frac{7}{10} [/tex]
[tex] \frac{25 - 16 - 50 + 14}{20} [/tex]
[tex] \frac{ - 27}{20} = - \frac{ 27}{20} [/tex]
f.
[tex] - \frac{11}{18} - \frac{7}{108} - \frac{14}{3} - \frac{5}{36} [/tex]
[tex] - \frac{66 + 7 + 504 + 15}{108} [/tex]
[tex] - \frac{592}{108} [/tex]
[tex] - \frac{148}{27} [/tex]
Sper ca te-am ajutat!
