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# 1
![5 \sqrt{12} +3 \sqrt{27}- \sqrt{75}=10 \sqrt{3}+9 \sqrt{3}-5 \sqrt{3}=14 \sqrt{3} 5 \sqrt{12} +3 \sqrt{27}- \sqrt{75}=10 \sqrt{3}+9 \sqrt{3}-5 \sqrt{3}=14 \sqrt{3}](https://tex.z-dn.net/?f=5+%5Csqrt%7B12%7D+%2B3+%5Csqrt%7B27%7D-+%5Csqrt%7B75%7D%3D10+%5Csqrt%7B3%7D%2B9++%5Csqrt%7B3%7D-5+%5Csqrt%7B3%7D%3D14+%5Csqrt%7B3%7D+++++++)
# 2
![\frac{ \sqrt[3]{20} ( \sqrt[3]{25} )^{2} }{ \sqrt[4]{200} }= \frac{ \sqrt[3]{ 5*2^{2} } \sqrt[3]{5^{4}} }{ \sqrt[4]{ 2^{3} 5^{2} } }= \frac{ \sqrt[3]{ 2^{2} * 5^{5} } }{ \sqrt[4]{ 2^{3} *5^{2} } } \frac{ \sqrt[3]{20} ( \sqrt[3]{25} )^{2} }{ \sqrt[4]{200} }= \frac{ \sqrt[3]{ 5*2^{2} } \sqrt[3]{5^{4}} }{ \sqrt[4]{ 2^{3} 5^{2} } }= \frac{ \sqrt[3]{ 2^{2} * 5^{5} } }{ \sqrt[4]{ 2^{3} *5^{2} } }](https://tex.z-dn.net/?f=++%5Cfrac%7B+%5Csqrt%5B3%5D%7B20%7D+++%28+%5Csqrt%5B3%5D%7B25%7D+%29%5E%7B2%7D+++%7D%7B+%5Csqrt%5B4%5D%7B200%7D+%7D%3D+++%5Cfrac%7B+%5Csqrt%5B3%5D%7B+5%2A2%5E%7B2%7D++%7D+++%5Csqrt%5B3%5D%7B5%5E%7B4%7D%7D++++%7D%7B+%5Csqrt%5B4%5D%7B+2%5E%7B3%7D++5%5E%7B2%7D+%7D+%7D%3D+%5Cfrac%7B+%5Csqrt%5B3%5D%7B+2%5E%7B2%7D+%2A+5%5E%7B5%7D+%7D+%7D%7B+%5Csqrt%5B4%5D%7B+2%5E%7B3%7D++%2A5%5E%7B2%7D+%7D+%7D+)
![\sqrt[12]{ \frac{ 2^{8}* 5^{20} }{ 2^{9} * 5^{6} } }= \sqrt[12]{ \frac{ 5^{14} }{2} }= \sqrt[12]{ \frac{ 5^{12}* 5^{2}* 2^{11} }{ 2^{12} } } = \frac{5}{2} \sqrt[12]{51,200} \sqrt[12]{ \frac{ 2^{8}* 5^{20} }{ 2^{9} * 5^{6} } }= \sqrt[12]{ \frac{ 5^{14} }{2} }= \sqrt[12]{ \frac{ 5^{12}* 5^{2}* 2^{11} }{ 2^{12} } } = \frac{5}{2} \sqrt[12]{51,200}](https://tex.z-dn.net/?f=+%5Csqrt%5B12%5D%7B+%5Cfrac%7B+2%5E%7B8%7D%2A++5%5E%7B20%7D+%7D%7B+2%5E%7B9%7D+%2A+5%5E%7B6%7D+%7D+%7D%3D+%5Csqrt%5B12%5D%7B+%5Cfrac%7B+5%5E%7B14%7D+%7D%7B2%7D+%7D%3D+%5Csqrt%5B12%5D%7B+%5Cfrac%7B+5%5E%7B12%7D%2A++5%5E%7B2%7D%2A+2%5E%7B11%7D++%7D%7B+2%5E%7B12%7D+%7D+%7D+%3D+%5Cfrac%7B5%7D%7B2%7D+%5Csqrt%5B12%5D%7B51%2C200%7D++++++++)
# 3
![\sqrt[4]{ \sqrt[3]{ \sqrt{1} } }= \sqrt[24]{1}=1 \sqrt[4]{ \sqrt[3]{ \sqrt{1} } }= \sqrt[24]{1}=1](https://tex.z-dn.net/?f=+%5Csqrt%5B4%5D%7B+%5Csqrt%5B3%5D%7B+%5Csqrt%7B1%7D+%7D+%7D%3D+%5Csqrt%5B24%5D%7B1%7D%3D1+++)
# 4
![( \sqrt[4]{ \sqrt[5]{2 \sqrt{3} } } )^{3}= (\sqrt[20]{ \sqrt{ 2^{2}*3} } )^{3}= \sqrt[40]{ 2^{6}* 3^{3} }= \sqrt[40]{1,728} ( \sqrt[4]{ \sqrt[5]{2 \sqrt{3} } } )^{3}= (\sqrt[20]{ \sqrt{ 2^{2}*3} } )^{3}= \sqrt[40]{ 2^{6}* 3^{3} }= \sqrt[40]{1,728}](https://tex.z-dn.net/?f=+%28+%5Csqrt%5B4%5D%7B+%5Csqrt%5B5%5D%7B2+%5Csqrt%7B3%7D+%7D+%7D+%29%5E%7B3%7D%3D+%28%5Csqrt%5B20%5D%7B+%5Csqrt%7B+2%5E%7B2%7D%2A3%7D+%7D+%29%5E%7B3%7D%3D++%5Csqrt%5B40%5D%7B+2%5E%7B6%7D%2A++3%5E%7B3%7D+%7D%3D+%5Csqrt%5B40%5D%7B1%2C728%7D+++++)
# 5
![\frac{ \frac{2}{3} + \frac{1}{2}(2- \frac{1}{4} ) }{ \frac{1}{2}+2* \frac{1}{3} }= \frac{ \frac{2}{3}+ \frac{1}{2}* \frac{7}{4} }{ \frac{1}{2} + \frac{2}{3} }= \frac{ \frac{2}{3} +\frac{7}{8} }{ \frac{3+4}{6} }= \frac{16+21}{24}* \frac{6}{7}= <strong>\frac{37}{28}</strong> \frac{ \frac{2}{3} + \frac{1}{2}(2- \frac{1}{4} ) }{ \frac{1}{2}+2* \frac{1}{3} }= \frac{ \frac{2}{3}+ \frac{1}{2}* \frac{7}{4} }{ \frac{1}{2} + \frac{2}{3} }= \frac{ \frac{2}{3} +\frac{7}{8} }{ \frac{3+4}{6} }= \frac{16+21}{24}* \frac{6}{7}= <strong>\frac{37}{28}</strong>](https://tex.z-dn.net/?f=+%5Cfrac%7B+%5Cfrac%7B2%7D%7B3%7D+%2B+%5Cfrac%7B1%7D%7B2%7D%282-+%5Cfrac%7B1%7D%7B4%7D+%29+%7D%7B+%5Cfrac%7B1%7D%7B2%7D%2B2%2A++%5Cfrac%7B1%7D%7B3%7D+%7D%3D++%5Cfrac%7B+%5Cfrac%7B2%7D%7B3%7D%2B++%5Cfrac%7B1%7D%7B2%7D%2A+%5Cfrac%7B7%7D%7B4%7D++%7D%7B+%5Cfrac%7B1%7D%7B2%7D+%2B+%5Cfrac%7B2%7D%7B3%7D+%7D%3D+%5Cfrac%7B+%5Cfrac%7B2%7D%7B3%7D++%2B%5Cfrac%7B7%7D%7B8%7D+%7D%7B+%5Cfrac%7B3%2B4%7D%7B6%7D+%7D%3D+%5Cfrac%7B16%2B21%7D%7B24%7D%2A++%5Cfrac%7B6%7D%7B7%7D%3D+%3Cstrong%3E%5Cfrac%7B37%7D%7B28%7D%3C%2Fstrong%3E++++++++)
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