Question

Como resolver essas questões ?

Answer 1

$\sqrt{0,999...}= \sqrt{1} \\ \\ \frac{1+ \sqrt{\frac{4}{9} } }{1+ \frac{42}{99} } = \frac{55}{141} \\ \\ \frac{ \frac{5}{3} }{ \frac{141}{99} } = \frac{55}{141} \\ \\ \frac{495}{423}= \frac{55}{141} (F)$