Question

calcule √49 + √25 + √0,25 =

Answer 1

√49+√25+√0,25
7+5+0,5=12,5

Answer 2

$\sqrt{49} = 7 \\ \sqrt{25} = 5 \\ \sqrt{0.25} = \sqrt{ \frac{25}{100} } = \frac{5}{10} = 0.5$

7+5+0,5 = 12,5