Question

root 5 / 2 - 9 divided by root 5 minus 27 ​

Answer 1

√5/2 - 9 / √5 - 27 = 0.318

$= \frac{ \sqrt{5} }{2} - 9 \: \div (\sqrt{5} - 27) \\ = \frac{2.23}{2} - 9 \: \div (2.23 - 27) \\ = \frac{1.115 - 9}{2.23 - 27} \\ = \frac{ - 7.885}{ - 24.77} \\ = 0.318$