Question

efetue,utilizando o cancelamento


1/2 x 8/9 x 2 1/4

36/50 x 30/72 x 10/40

rápido

Answer 1

$\frac{1}{2} × \frac{8}{9} × \frac{21}{4}  \frac{1}{1} × \frac{4}{3} × \frac{7}{4}   = \frac{1}{1} × \frac{1}{3} × \frac{7}{1}$

$\frac{36}{50} \frac{30}{72} \frac{10}{40}   = \frac{1}{5} \frac{3}{1} \frac{5}{40}$

Quase total certeza que está correto!