Question

se puder responder tudo, agradeço (>-<)​

Answer 1

Resposta:

1)

$\frac{2}{10}$

2) tô na dúvida

3)

a)

$\frac{4}{10} \frac{8}{20} \frac{16}{40}$

b)

$\frac{6}{14} \frac{12}{28} \frac{24}{56}$

c)

$\frac{4}{18} \frac{8}{36} \frac{16}{72}$

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