Question

упростить выражение
$\frac{5 \sqrt{27} }{ \sqrt{12} }$
​

Answer 1

$\frac{5 \sqrt{27} }{ \sqrt{12} } = \frac{5 \times 3 \sqrt{3} }{ \sqrt{12} } = \frac{15 \sqrt{3} }{ \sqrt{12} } = \frac{15 \sqrt{3} }{ \sqrt{3} \times \sqrt{4} } = \\ \\ \frac{15}{ \sqrt{4} } = \frac{15}{2} = 7 \frac{1}{2} = 7.5$

Answer 2

Объяснение:

$\frac{5 \sqrt{27} }{ \sqrt{12} } = \frac{15 \sqrt{3} }{ \sqrt{12} } = \frac{15}{ \sqrt{4} } = \frac{15}{2} = 7 \frac{1}{2} = 7.5$