calculați:
[tex]3 \ \frac{1}{9} - \ \frac{5}{18} - 1 \ \frac{5}{24} [/tex]

[tex]3 \ \frac{4}{25} - 1 \ \frac{6}{15} - \frac{3}{5} [/tex]

[tex]4 \ \frac{5}{21} - \frac{7}{12} - 2 \ \frac{3}{4} [/tex]
Repede dau coroana! ​