Răspuns:
k)
[tex]( \frac{7}{2})^{3} \div \frac{7}{2} \times 1 \\ \frac{343}{8} \times \frac{2}{7} \\ \frac{49}{8} \times 2 \\ \frac{49}{4} [/tex]
l)
[tex]249365 \div 100 \\ 2493.65[/tex]
m)
[tex]6.7 ^{2} \div 6.7 = 6.7[/tex]
n)
[tex]123.23 - 3.4 - 12.57 = 107.26[/tex]
