Question

Media aritmetica a patru nr este 0,14(7) aflati suma celor 4 nr

Answer 1

$0.14(7) = \frac{147 - 14}{900} = \frac{133}{900}$
$\frac{a + b + c + d}{4} = \frac{133}{900} \\ = > a + b + c + d = \frac{133 \times 4}{900} \\ a + b + c + d = \frac{133}{225} = 0.59(1)$