C
a 18/2
b 9
c 8
d 32/4

c. 8
Explicação passo-a-passo:
[tex]2 \frac{2}{4} + \frac{11}{2} [/tex]
[tex] = \frac{10}{4} + \frac{11}{2} [/tex]
[tex] = \frac{5}{2} + \frac{11}{2} [/tex]
[tex] = \frac{16}{2} [/tex]
[tex] = 8[/tex]
masa gtu aja gbisa sii, kmu kn udh gede