Задание 2, стр 21

Question

Найдите значение корня.
ewline
a) $\sqrt{\frac{9}{64}}\quad$
b) $\sqrt{\frac{25}{121}}\quad$
c) $\sqrt{5 \frac{1}{16}}\quad$
d) $\sqrt{5 \frac{4}{9}}$

Gimli · Accepted Answer

\begin{enumerate}[label=\alph*]
\item $\sqrt{\frac{9}{64}}=\frac{\sqrt{9}}{\sqrt{64}}=\frac{3}{8}$
\item $\sqrt{\frac{25}{121}}=\frac{\sqrt{25}}{\sqrt{121}}=\frac{5}{11}$
\item $\sqrt{5 \frac{1}{16}}=\sqrt{\frac{81}{16}}=\frac{\sqrt{81}}{\sqrt{16}}=\frac{9}{4}=2 \frac{1}{4}$;
\item $\sqrt{5 \frac{4}{9}}=\sqrt{\frac{49}{9}}=\frac{\sqrt{49}}{\sqrt{9}}=\frac{7}{3}=2 \frac{1}{3}$
\end{enumerate}

Задание 2, стр 21

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Задание 2, стр 21

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