Question

Помогите пожалуйста

Answer 1

$1. \sqrt{(533 - 308)(533 + 308)} = \sqrt{225 \times 841} = 25 \times 29 = 725 \\ 2. \frac{4 \times 6}{16} = \frac{3}{2} = 1.5$
$3.14 - 18 = - 4$