Question

0'3√300-1/2√64=
15 балов

Answer 1

$0.3 \sqrt{300} - \frac{1}{2} \sqrt{64} = \\ 0.3 \sqrt{100 \times 3} - \frac{1}{2} \times 8 =$
$0.3 \times 10 \sqrt{3} - 4 = \\ 3 \sqrt{3} - 4$