Resposta :
Resposta:
a)
[tex]1.28 = \frac{128}{100} = \frac{32}{25} \\ [/tex]
b)
[tex]0.36 = \frac{36}{100} = \frac{9}{2} \\ [/tex]
c)
[tex]9.75 = \frac{975}{100} = \frac{195}{20} = \frac{39}{4 } \\ [/tex]
d)
[tex]2.2 = \frac{22}{10} = \frac{11}{5} \\ [/tex]