Question

Calcule o valor das expressões numéricas.
a)
$\frac{5}{9} x \frac{1}{3} x \frac{2}{3}$
b)
$( \frac{5}{9} mais \: \frac{1}{3}) \: x \frac{2}{3}$

Answer 1

a) 10/81 = 0,1234567901
b) (5/9+1/3)x2/3=
5/9+3/9=
 8/9x2/3=
16/27 = 0,592592526