Question

responda
0,65-2/5 . 0,9

Answer 1

$0.65 - \frac{2}{5} \times 0.9 \\ \\ \frac{13}{20} - \frac{2}{5} \times \frac{9}{10} \\ \\ \frac{13}{20} - \frac{1}{5} \times \frac{9}{5} \\ \\ \frac{13}{20} - \frac{9}{25} \\ \\ \frac{29}{100} \\ \\ r = > 0.29$