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            • 1.
              计算:\( \sqrt[5]{2}×(4\;^{- \frac {2}{5}})^{-1}+\lg \sqrt {1000}-\sin 270^{\circ}=\) ______ .
            • 2.
              设\(a=\log _{3}π\),\(b=\log \;_{ \frac {1}{3}}π\),\(c=π^{-3}\),则\((\)  \()\)
              A.\(a > b > c\)
              B.\(b > a > c\)
              C.\(a > c > b\)
              D.\(c > b > a\)
            • 3.
              \(2\log _{5}10+\log _{5}0.25=(\)  \()\)
              A.\(0\)
              B.\(1\)
              C.\(2\)
              D.\(4\)
            • 4.
              若\(x=\log _{4}3,{则}(2^{x}-2^{-x})^{2}=(\)  \()\)
              A.\( \dfrac {9}{4}\)
              B.\( \dfrac {5}{4}\)
              C.\( \dfrac {10}{3}\)
              D.\( \dfrac {4}{3}\)
            • 5.
              \(( \dfrac {64}{27})\;^{ \frac {1}{2}}+\log _{3} \dfrac {10}{9}+\log _{3} \dfrac {9}{10}=\) ______ .
            • 6.
              \(\log _{2}\sin 10^{\circ}+\log _{2}50^{\circ}+\log _{2}\sin 70^{\circ}\)的值为\((\)  \()\)
              A.\(4\)
              B.\(-4\)
              C.\(-2\)
              D.\(-3\)
            • 7.
              若\(\log _{2}(a+3)+\log _{2}(a-1)=5\),则\(a=\) ______ .
            • 8.
              计算\(( \dfrac {8}{27})^{-\; \frac {2}{3}}+\lg 25+\lg 4+3^{\log _{3}2}=\) ______
            • 9.
              求值:
              \((I)(2 \dfrac {1}{4})^{ \frac {1}{2}}-(-9.6)^{0}-(3 \dfrac {3}{8})^{- \frac {2}{3}}+(1.5)^{-2}\);
              \((II)\) \(\lg 14-2\lg \dfrac {7}{3}+\lg 7-\lg 18\).
            • 10.
              计算:\(e^{\ln 3}+\log _{ \sqrt {3}}9+(0.125)^{- \frac {2}{3}}=\) ______ .
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