Question

determine as geatrizes das seguites dizimas periodicas a) 0,7777777... b) 0,17171717... c) 1,23232323... d) -0,467467467

Answer 1

$a) 0,777... \to \frac{7}{9}\\\\ b) 0,171717 ... \to \frac{17}{99}\\\\ c) 1,232323 ... = 1 + \frac{23}{99}\to = \frac{122}{99} \\\\ d) -0,467467467 ...\to - \frac{467}{999}$