Question

0.4×0,1(6) =??????

va rog dau coroana

Answer 1

$0.4 \times 0.1(6) = \dfrac{4}{10} \times \dfrac{16 - 1}{90} = \dfrac{4}{10} ^{ \div 2} \times \dfrac{15}{90} ^{ \div 6} = \dfrac{2}{5} \times \dfrac{1}{6} = \dfrac{1}{5} \times \dfrac{1}{3} = \dfrac{1}{15}$

Answer 2

$0.4 \times 0.1(6)$

$= \frac{4}{10} \times \frac{16 - 1}{90}$

$= \frac{2}{5} \times \frac{15}{90}$

$= \frac{2}{5} \times \frac{3}{18}$

$= \frac{2}{5} \times \frac{1}{6}$

$= \frac{2 \times 1}{5 \times 6}$

$= \frac{2}{30}$

$= \frac{1}{15}$