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![\sqrt{a}=b \qquad \Rightarrow \qquad b^{2}=a \qquad a,b \ge 0 \\ \sqrt[3]{a}=b \qquad \Rightarrow \qquad b^{3}=a \sqrt{a}=b \qquad \Rightarrow \qquad b^{2}=a \qquad a,b \ge 0 \\ \sqrt[3]{a}=b \qquad \Rightarrow \qquad b^{3}=a](https://tex.z-dn.net/?f=%5Csqrt%7Ba%7D%3Db+%5Cqquad+%5CRightarrow+%5Cqquad+b%5E%7B2%7D%3Da+%5Cqquad+a%2Cb+%5Cge+0+%5C%5C+%5Csqrt%5B3%5D%7Ba%7D%3Db+%5Cqquad+%5CRightarrow+%5Cqquad+b%5E%7B3%7D%3Da)
![\sqrt{4}+\sqrt[3]{8}+\sqrt{25}=2+2+5=9 \\ \sqrt{64}-\sqrt{49}+\sqrt{1}=8-7+1=2 \\ \sqrt{5}+\sqrt{16}=\sqrt{5}+4 \\ \sqrt{7,5}+1 \ \hbox{es no contar} \\ \sqrt[3]{125}+\sqrt{16}-\sqrt{18}=5+4-\sqrt{9 \cdot 2}=9-3\sqrt{2} \\ \sqrt[3]{\sqrt{25}+\sqrt{9}}=\sqrt[3]{5+3}=\sqrt[3]{8}=2 \\ 5\sqrt{19}-\sqrt[3]{8}=5\sqrt{19}-2 \\ \sqrt{10}+\sqrt{36}=\sqrt{10}+6 \\ \sqrt[3]{27}+4\sqrt{14}-\sqrt[3]{32}=3+4\sqrt{14}-\sqrt[3]{8 \cdot 4}=3+4\sqrt{14}-2\sqrt[3]{4} \\ \sqrt{8}+\sqrt[3]{1}=\sqrt{4 \cdot 2}+1=2\sqrt{2}+1 \sqrt{4}+\sqrt[3]{8}+\sqrt{25}=2+2+5=9 \\ \sqrt{64}-\sqrt{49}+\sqrt{1}=8-7+1=2 \\ \sqrt{5}+\sqrt{16}=\sqrt{5}+4 \\ \sqrt{7,5}+1 \ \hbox{es no contar} \\ \sqrt[3]{125}+\sqrt{16}-\sqrt{18}=5+4-\sqrt{9 \cdot 2}=9-3\sqrt{2} \\ \sqrt[3]{\sqrt{25}+\sqrt{9}}=\sqrt[3]{5+3}=\sqrt[3]{8}=2 \\ 5\sqrt{19}-\sqrt[3]{8}=5\sqrt{19}-2 \\ \sqrt{10}+\sqrt{36}=\sqrt{10}+6 \\ \sqrt[3]{27}+4\sqrt{14}-\sqrt[3]{32}=3+4\sqrt{14}-\sqrt[3]{8 \cdot 4}=3+4\sqrt{14}-2\sqrt[3]{4} \\ \sqrt{8}+\sqrt[3]{1}=\sqrt{4 \cdot 2}+1=2\sqrt{2}+1](https://tex.z-dn.net/?f=%5Csqrt%7B4%7D%2B%5Csqrt%5B3%5D%7B8%7D%2B%5Csqrt%7B25%7D%3D2%2B2%2B5%3D9+%5C%5C+%5Csqrt%7B64%7D-%5Csqrt%7B49%7D%2B%5Csqrt%7B1%7D%3D8-7%2B1%3D2+%5C%5C+%5Csqrt%7B5%7D%2B%5Csqrt%7B16%7D%3D%5Csqrt%7B5%7D%2B4+%5C%5C+%5Csqrt%7B7%2C5%7D%2B1+%5C+%5Chbox%7Bes+no+contar%7D+%5C%5C+%5Csqrt%5B3%5D%7B125%7D%2B%5Csqrt%7B16%7D-%5Csqrt%7B18%7D%3D5%2B4-%5Csqrt%7B9+%5Ccdot+2%7D%3D9-3%5Csqrt%7B2%7D+%5C%5C+%5Csqrt%5B3%5D%7B%5Csqrt%7B25%7D%2B%5Csqrt%7B9%7D%7D%3D%5Csqrt%5B3%5D%7B5%2B3%7D%3D%5Csqrt%5B3%5D%7B8%7D%3D2+%5C%5C+5%5Csqrt%7B19%7D-%5Csqrt%5B3%5D%7B8%7D%3D5%5Csqrt%7B19%7D-2+%5C%5C+%5Csqrt%7B10%7D%2B%5Csqrt%7B36%7D%3D%5Csqrt%7B10%7D%2B6+%5C%5C+%5Csqrt%5B3%5D%7B27%7D%2B4%5Csqrt%7B14%7D-%5Csqrt%5B3%5D%7B32%7D%3D3%2B4%5Csqrt%7B14%7D-%5Csqrt%5B3%5D%7B8+%5Ccdot+4%7D%3D3%2B4%5Csqrt%7B14%7D-2%5Csqrt%5B3%5D%7B4%7D+%5C%5C+%5Csqrt%7B8%7D%2B%5Csqrt%5B3%5D%7B1%7D%3D%5Csqrt%7B4+%5Ccdot+2%7D%2B1%3D2%5Csqrt%7B2%7D%2B1)
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