Question

calcule a fração geratriz dos números:

a)0,777...

b)0,393939...

c)0,253253253...

d)1,555..

e)2,474747...

VOU ESTAR DANDO COMO MELHOR REPOSTA

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Answer 1

$> resolucao \\ \\ \geqslant \: fracao \: \: geratriz \\ \\ \\ a > 0.777... \\ a > \frac{7}{9} \\ \\ = = = = = = = = = = = = = = = = \\ \\ b > 0.393939... \\ b > \frac{39 \div 3}{99 \div 3} \\ b > \frac{13}{33} \\ \\ = = = = = = = = = = = = = = = \\ \\ c > 0.253253.... \\ c > \frac{253}{999} \\ \\ = = = = = = = = = = = = = = = \\ \\ d > 1.555.... \\ d > \frac{15 - 1}{9} \\ d > \frac{14}{9} \\ \\ = = = = = = = = = = = = = = = = \\ \\ e > 2.4747.... \\ e > \frac{247 - 2}{99} \\ e > \frac{245}{99} \\ \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \geqslant$