[tex] \frac{49}{125} - \frac{1}{25} * \frac{3}{5} - \frac{24}{5} = \frac{49}{125} -\frac{3}{125}- \frac{24*25}{125}= \frac{49-3-600}{125}=- \frac{554}{125} [/tex]
[tex] \frac{49}{125} - \frac{1}{25} * \frac{3}{5} - 2\frac{4}{5} = \frac{49}{125} - \frac{1}{25} * \frac{3}{5} - \frac{14}{5}= \frac{49}{125} - \frac{3}{125} - \frac{350}{125}=- \frac{304}{125} [/tex]
