(-5supra48)+(+7supra18)+(-1supra36) +(-11supra12)

Răspuns :


[tex]( - \frac{5}{48}) + ( + \frac{7}{18}) + ( - \frac{1}{36}) + ( - \frac{11}{12}) = - \frac{5}{48} + \frac{7}{18} - \frac{1}{36} - \frac{11}{12} = - \frac{ - 15 + 56 - 4 - 132}{144} = \frac{ - 95}{144} = - \frac{95}{144} [/tex]