A = 19\(\dfrac{1}{4}\) + \(\dfrac{1}{2\dfrac{1}{3}}\) + 5,75 - \(\dfrac{1}{6}\) + 74
A = \(\dfrac{77}{4}\) + \(\dfrac{1}{\dfrac{7}{3}}\) + 5,75 - \(\dfrac{1}{6}\) + 74
A = \(\dfrac{77}{4}\) + \(\dfrac{3}{7}\) + \(\dfrac{23}{4}\) - \(\dfrac{1}{6}\) + 74
A = \(\dfrac{3234}{168}\) + \(\dfrac{72}{168}\) + \(\dfrac{966}{168}\) - \(\dfrac{28}{168}\) + \(\dfrac{12432}{168}\)
A = \(\dfrac{16676}{168}\)
A = \(\dfrac{4169}{42}\)