Задача 55184 Алгебра 1 и 2 ????...

5f5156928b85ef59a67d402f

30.10.2020 14:17:44

Алгебра 1 и 2 ????

5f3ea7e3faf909182968ddd9

30.10.2020 15:12:44

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[m]\sqrt[3]{-\frac{216}{343}}=\sqrt[3]{-\frac{6^3}{7^3}}=\sqrt[3]{-(\frac{6}{7})^3}=-\frac{6}{7}[/m]

[m]\sqrt[4]{2401}=\sqrt[4]{7^4}=7[/m]

[m]\sqrt{0,04}=\sqrt{0,2^2}=0,2[/m]



[m]\sqrt[3]{\frac{100}{343}\cdot 80}=\sqrt[3]{\frac{10^2\cdot 2^2}{7^3}}=\frac{20}{7}[/m]