Question

17) Efetue os cálculos a seguir e simplinifique o resultado, quando possível.
a)6.5/8=
b)10/3.4/7=
c)5/9.3/2=
d)7/4.8/3=​

Answer 1

A)6.5/8

$\frac{6 \times 5}{8}$

$\frac{ {30}^{ \div 2} }{ {8}^{ \div 2} }$

$\sf \colorbox{green}{15/4}$

B)10/3 . 4/7

$\frac{10}{3 } \times \frac{4}{7}$

$\sf \colorbox{red}{40/21}$

C)5/9 . 3/2

$\frac{5}{9} \times \frac{3}{2}$

$\frac{ {15}^{ \div 3} }{ {18}^{ \div 3} }$

$\sf \colorbox{blue}{5/6}$

D)7/4 . 8/3

$\frac{7}{4} \times \frac{8}{3}$

$\frac{ {56}^{ \div 4} }{ {12}^{ \div 4} }$

$\sf \colorbox{orange}{14/3}$

Espero ter ajudado!