§ Задание 120
\[\boxed{\mathbf{4.120}}\]
\[\textbf{а)}\ 17^{2} + 6^{2} = 289 + 36 = 325\]
\[\textbf{б)}\ (17 + 6)^{2} = 23^{2} = 529\]
\[\textbf{в)}\ 17 + 6^{2} = 17 + 36 = 53\]
\[\boxed{\mathbf{4.120}}\]
\[\textbf{а)}\ 17^{2} + 6^{2} = 289 + 36 = 325\]
\[\textbf{б)}\ (17 + 6)^{2} = 23^{2} = 529\]
\[\textbf{в)}\ 17 + 6^{2} = 17 + 36 = 53\]