Resposta:
a)
[tex] \frac{8}{10} \div 2 = \frac{4}{5} [/tex]
b)
[tex] \frac{25}{40} \div 5= \frac{5}{8} [/tex]
c)
[tex] \frac{48}{72} \div 24 = \frac{2}{3} [/tex]
d)
[tex] \frac{256}{1024} \div 256 = \frac{1}{4} [/tex]
e)
[tex] \frac{100}{36} \div 4 = \frac{25}{9} [/tex]
