uite exercitiul 2) a) si b)!!!
a.
[tex] \frac{25 \times 9}{2} = \frac{225}{2} = 112.5[/tex]
b.
[tex] \frac{28}{13} \div 7 = \frac{28}{13} \times \frac{1}{7} = \frac{28}{13 \times 7} = \frac{28}{91} [/tex]
