Question

 Trebuie sa rezolvati urmatorul exercitiu:2,(7)-(-0,12)

Answer 1

$2,(7)-(-0,12)= \\ 2\frac{7}{9} -(- \frac{12}{100})= \\ \frac{25}{9}-(-\frac{3}{25})= \\ \frac{25}{9} + \frac{3}{25}= \\ \frac{625}{225}+ \frac{27}{225}= \frac{652}{225}$