d) $\frac{8}{9} : \frac{4}{9} \times \frac{5}{8}$

Question

\frac{8}{9} : \frac{4}{9} \times \frac{5}{8}

=

\frac{8}{9} \times \frac{9}{4} \times \frac{5}{8} = 2 \times \frac{5}{8} = \frac{5}{4} = 1, 25

Answer 1

Trả lời:

Giải bởi Vietjack

\frac{8}{9} : \frac{4}{9} \times \frac{5}{8}

=

\frac{8}{9} \times \frac{9}{4} \times \frac{5}{8} = 2 \times \frac{5}{8} = \frac{5}{4} = 1, 25

d) 89:49×58