Question

Упростите дробь

Answer 1

√ 8 = 2 √ 2 
√ 50 = 5 √ 2 
( 2 √ 2 ) : ( 5 √ 2 ) = 2/5 = 0,4 

Answer 2

$\frac{ \sqrt{8} }{ \sqrt{50} } = \frac{ \sqrt{2^2*2} }{ \sqrt{5^2*2}}= \frac{ \sqrt{2^2} \sqrt{2} }{ \sqrt{5^2} \sqrt{2} } = \frac{2 \sqrt{2} }{5 \sqrt{2} } = \frac{2}{5}=0.4$