выполните указанные действия 1)(b^2xy/9a^5/7xy/12a^5)*28a^4/3b^2. Created by nataliyantonov. algebra-ru

3b^2...

nataliyantonov @nataliyantonov

June 2022 1 7 Report

выполните указанные действия 1)(b^2xy/9a^5/7xy/12a^5)*28a^4/3b^2

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nafanya2014

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$\frac{ \frac{b^2xy}{9a^5}}{ \frac{7xy}{12a^5}}\cdot \frac{ 28a^4}{3b^2} = \\ \\= (\frac{b^2xy}{9a^5}\cdot \frac{12a^5}{7xy})\cdot \frac{ 28a^4}{3b^2} = \\ \\ =
 \frac{12\cdot 28a^9b^2xy}{9\cdot 7 \cdot3a^5b^2xy}= \\ \\ = \frac{16a^4}{9}$

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