Questão 179964

S = \(\left\{\frac{9}{2},\frac{2}{9}\right\}\)

S = \(\left\{\frac{1}{4},\frac{2}{5}\right\}\)

S = \(\left\{\frac{9}{2},\frac{1}{2}\right\}\)

S = \(\left\{\frac{9}{4}.\frac{1}{4}\right\}\)

S = \(\left\{\frac{2}{9},\frac{1}{9}\right\}\)