Ma pote ajuta cineva la mate ???

Răspuns:
[tex]a) \\ (23 - \frac{77}{4} ) + ( \frac{78}{5} - 15) - ( \frac{7}{3} - \frac{19}{24} \\ \frac{15}{4} + \frac{3}{5} - \frac{37}{24}) \\ = \frac{337}{120} [/tex]