Resposta :
Resposta:
a)
[tex] \frac{2}{14} \div \frac{7}{5} \\ \\ = \frac{1}{7} \times \frac{5}{7} \\ \\ = \frac{5}{49} [/tex]
b)
[tex] \frac{2}{7} \times \frac{7}{5} \\ \\ = \frac{14}{35} [/tex]
Explicação passo-a-passo:
[tex] \frac{2}{14} \div \frac{7}{5} = \frac{1}{7} \div \frac{7}{5} = \frac{1}{7} \times \frac{5}{7} = \frac{5}{49} [/tex]
[tex]b) \frac{2}{7} \times \frac{7}{5} = \frac{14}{35} = \frac{2}{5} [/tex]