优优班--学霸训练营 > 知识点挑题
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            • 1.
              \(- \dfrac {1}{3}\)的倒数是\((\)  \()\)
              A.\(-3\)
              B.\(3\)
              C.\(- \dfrac {1}{3}\)
              D.\( \dfrac {1}{3}\)
            • 2.
              \(-5\)的倒数是\((\)  \()\)
              A.\(5\)
              B.\(-5\)
              C.\( \dfrac {1}{5}\)
              D.\(- \dfrac {1}{5}\)
            • 3.
              \(-2018\)的倒数是\((\)  \()\)
              A.\(-2018\)
              B.\(2018\)
              C.\(- \dfrac {1}{2018}\)
              D.\( \dfrac {1}{2018}\)
            • 4.
              \(-3\)的倒数是\((\)  \()\)
              A.\( \dfrac {1}{3}\)
              B.\(- \dfrac {1}{3}\)
              C.\(± \dfrac {1}{3}\)
              D.\(3\)
            • 5.
              \(- \dfrac {1}{4}\)的倒数是\((\)  \()\)
              A.\(4\)
              B.\(-4\)
              C.\( \dfrac {1}{4}\)
              D.\(16\)
            • 6.
              \(-2\)的倒数是\((\)  \()\)
              A.\(- \dfrac {1}{2}\)
              B.\( \dfrac {1}{2}\)
              C.\(-2\)
              D.\(2\)
            • 7.
              \(- \dfrac {1}{3}\)的倒数是\((\)  \()\)
              A.\(3\)
              B.\(-3\)
              C.\( \dfrac {1}{3}\)
              D.\(- \dfrac {1}{3}\)
            • 8.
              \(-2017\)的倒数是\((\)  \()\)
              A.\( \dfrac {1}{2017}\)
              B.\(- \dfrac {1}{2017}\)
              C.\(2017\)
              D.\(-2017\)
            • 9.
              \(5\)的倒数是\((\)  \()\)
              A.\( \dfrac {1}{5}\)
              B.\(- \dfrac {1}{5}\)
              C.\(5\)
              D.\(-5\)
            • 10.
              \(-3\)的倒数是\((\)  \()\)
              A.\(3\)
              B.\( \dfrac {1}{3}\)
              C.\(-3\)
              D.\(- \dfrac {1}{3}\)
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