1. 16+20:4=16+5=21
2. Ma=[tex]\frac{6+8}{2} = \frac{14}{2} =7[/tex]
3. 0, 5, 10, 15, 20, 25
4. P=1.2*4=4.8 cm
5. 1h=60min
6. 7^2=49
7. 43x divizibil cu 2 => x=8
8. [tex]\frac{2}{5} + \frac{4}{5} +\frac{1}{5} =\frac{7}{5}[/tex]
9. [tex]\frac{35}{10} =\frac{7}{2}[/tex]
