Question

$\frac{0,1-0,01}{0,2-0,02}$
precisa dar 1/2, ajudas?

Answer 1

$\boxed{\frac{0,1-0,01}{0,2-0,02}=\frac{\frac{1}{10}-\frac{1}{100}}{\frac{2}{10}-\frac{2}{100}}=\frac{\frac{9}{100}}{\frac{9}{50}}=\frac{9}{100}.\frac{50}{9}=\frac{50}{100}=\frac{1}{2}}$