Question

какк
$2 \times \frac{3}{5} - 486 \times 89 {7}^{2}$
помогитее
ааа​

Answer 1

$2*\frac{3}{5}-486*897^{2}=\frac{2}{1}*\frac{3}{5}-486*897^{2}=\frac{2*3}{1*5}-486*897^{2}=\frac{6}{5}-486*897^{2}$