Determine as raízes quadradas exatas:a) b) c) d) e)f)Cálculos, por favor.... Pergunta de ideia deMonte1ro

Monte1ro @Monte1ro

October 2020 1 117 Report

Determine as raízes quadradas exatas:
a)

b)

c)

d)

e)

f)

Cálculos, por favor.

Lista de comentários

Eriivan A )

$\sqrt{64}~\to~ \sqrt{8^2}~\to~8$

b )

$\sqrt{0,64} ~\to~ \sqrt{ \frac{64}{100} } ~\to~ \frac{8^{\div2}}{10^{\div2}} ~\to~ \frac{4}{5}$

c )

$\sqrt{0,0064} ~\to~ \sqrt{ \frac{64}{10000} } ~\to~ \frac{8}{100} ~\to~ \frac{4}{25}$

d )

$\sqrt{640000} ~\to~ \sqrt{64*10000} ~\to~ \sqrt{8^2}* \sqrt{10^4} ~\to~8*100 ~\to~800$

e )

$\sqrt{ \frac{81}{144} } ~\to~ \frac{ \sqrt{81} }{ \sqrt{144} } ~\to~ \frac{9}{12} ~\to~ \frac{3}{4}$

f )

$\sqrt{1,21} ~\to~ \sqrt{ \frac{121}{100} } ~\to~ \frac{11}{10}$

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Monte1ro vlw cara

Eriivan por nada :)

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