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July 2022 1 29 Report

Вынесите множитель из-под знака корня:
1)[tex] \frac{1}{7} [/tex] [tex] \sqrt{392} [/tex]
2)0,2[tex] \sqrt{675} [/tex]
3)1,5[tex] \sqrt{1728} [/tex]
4)2/9[tex] \sqrt{648}[/tex]
5)[tex] \sqrt{ \frac{8}{9} } [/tex]
6)[tex] \sqrt{ \frac{18}{25} } [/tex]
7)[tex] \sqrt{ \frac{50}{49} } [/tex]
8)[tex] \sqrt{ \frac{300}{121} } [/tex]

Answers & Comments

Valtera $1) \frac{1}{7} * \sqrt{196*2} =2 \sqrt{2 } \\ 2)0,2 \sqrt{675} =0,2 \sqrt{225*3} =3 \sqrt{3} \\ 3)1,5 \sqrt{576*3} =36 \sqrt{3}$
$4) \frac{2}{9} \sqrt{648} = \frac{2}{9} \sqrt{324*2} =4 \sqrt{2} \\ 5) \sqrt{ \frac{4*2}{9} } = \frac{2 \sqrt{2} }{3} \\ 6) \sqrt{ \frac{2*9}{25} } = \frac{3 \sqrt{2} }{5}$
$7) \sqrt{ \frac{2*25}{49} } = \frac{5 \sqrt{2} }{7} \\ 8) \sqrt{ \frac{3*100}{121} } = \frac{10 \sqrt{3} }{11}$

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