Răspuns :
[tex]3 \frac{1}{8} - 3 \frac{8}{10} - \frac{3}{5} = [/tex]
[tex] \frac{3 \times 8 + 1}{8} - \frac{3 \times 10 + 8}{10} - \frac{3}{5} = [/tex]
[tex] \frac{25}{8} - \frac{38}{10} - \frac{3}{5} = [/tex]
[tex] \frac{125}{40} - \frac{152}{40} - \frac{24}{40} = [/tex]
[tex] - \frac{27}{40} - \frac{24}{40 } = [/tex]
[tex] - \frac{51}{40} [/tex]