Question

complete. utilizando frações equivalentes.

a) 3/4=9/?=?/20=30/?=?/80

b) 12/42=?/7=?/84=30/?​

Answer 1

Resposta:

$\frac{3}{4} = \frac{9}{12} = \frac{15}{20} = \frac{30}{40} = \frac{60}{80}$

$\frac{12}{42} = \frac{2}{7} = \frac{24}{84} = \frac{30}{56}$