Question

O resultado da expressão 1/2 -0,1666...é: a)3/2 b)1/6

Answer 1

$> resolucao \\ \\ \geqslant fracao \\ \\ > \frac{1}{2} - 0.1666.... \\ \\ > \frac{1}{2} - \frac{16 - 1}{90} \\ \\ > \frac{1}{2} - \frac{15 \div 15}{90 \div 15} \\ \\ > \frac{1}{2} - \frac{1}{6} > mmc = 6 \\ \\ > \frac{3 - 1}{6} \\ \\ > \frac{2 \div 2}{6 \div 2} \\ \\ > \frac{1}{3} \\ \\ > < > < > < > < > > < > > >$