Question

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Answer 1

5=2,23
30=5,47
2=1,41
18=
$3 \sqrt{2}$
80=
$4 \sqrt{5}$
1/5=
${ \frac{ \sqrt 5}{5} }$
0,08=
$\frac{ \sqrt{2} }{5}$
0,18=
$\frac{3 \sqrt{2} }{10}$
3,2=
$\frac{4 \sqrt{5} }{5}$
0,8=
$\frac{2 \sqrt{5} }{5}$
9/10
$\frac{3 \sqrt{10} }{10}$
$\sqrt{ \frac{41}{81} } = \frac{ \sqrt{41} }{ \sqrt{81} } = \frac{ \sqrt{41} }{9} = 0.71$
2,23*5,47=12,1981
1,41*
$3 \sqrt{2} = 4.23 \sqrt{2}$
$4 \sqrt{5} \times \frac{ \sqrt{5} }{5} = 4$
$\frac{ \sqrt{2} }{2} \times \frac{3 \sqrt{2} }{10} = \frac{3}{10}$
$\frac{4 \sqrt{5} }{5} \times \frac{2 \sqrt{5} }{5} = \frac{8}{5}$
$\frac{3 \sqrt{10} }{10} \times \frac{ \sqrt{41} }{9} = \frac{ \sqrt{410} }{30}$


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