Question

resolva as operações
10/5 × 9/4=
6/8 × 6/7=
3/2 × 1/9=
1/9 × 2/4=
5/12 × 1/8=
15/7 × 10/4=
8/10 × 5/2=
6/11 × 3/4=​

Answer 1

Resposta:

a)

$\frac{10}{5} \times \frac{9}{4}$

$2 \times \frac{9}{4}$

$\frac{9}{2}$

b)

$\frac{6}{8} \times \frac{6}{7}$

$\frac{3}{4} \times \frac{6}{7}$

$\frac{3}{2} \times \frac{3}{7}$

$\frac{9}{14}$

c)

$\frac{3}{2} \times \frac{1}{9}$

$\frac{1}{2} \times \frac{1}{3}$

$\frac{1}{6}$

d)

$\frac{1}{9} \times \frac{2}{4}$

$\frac{1}{9} \times \frac{1}{2}$

$\frac{1}{18}$

e)

$\frac{5}{12} \times \frac{1}{8}$

$\frac{5 \times 1}{12 \times 8}$

$\frac{5}{96}$

f)

$\frac{15}{7} \times \frac{10}{4}$

$\frac{15}{7} \times \frac{5}{2}$

$\frac{75}{14}$

g)

$\frac{8}{10} \times \frac{5}{2}$

$\frac{4}{2}$

$2$

h)

$\frac{6}{11} \times \frac{3}{4}$

$\frac{3}{11} \times \frac{3}{2}$

$\frac{9}{22}$