Question

Calcule:

a) 3/7 de 21=

b) 4/5 de 40=

c) 8/3 de 24=​

Answer 1

Resposta:

a) 9    b) 32    c) 64

Explicação passo a passo:

$a)\ \frac{3}{7} \times21=\frac{21}{7} \times3=3\times3=9\\\\b)\ \frac{4}{5} \times40=\frac{40}{5} \times4=8\times4=32\\\\c)\ \frac{8}{3} \times24=\frac{24}{3} \times8=8\times8=64$