Question

(4,3-0,64:1,6)*0,25​

Answer 1

$( 4.3 - \frac{0.64}{1.6} ) \times 0.25 =$

$( \frac{43}{10} - \frac{0.8}{2} ) \times \frac{25}{100} =$

$( \frac{43}{10} - \frac{4}{10} ) \times \frac{25}{100} =$

$\frac{39 \times 25}{10 \times 100} = \frac{39}{40 } = 0.975$