优优班--学霸训练营 > 知识点挑题
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            • 1.
              \(-2\)的相反数是\((\)  \()\)
              A.\(2\)
              B.\(-2\)
              C.\(2^{-1}\)
              D.\(- \dfrac {1}{2}\)
            • 2.
              \(-2\)的绝对值是\((\)  \()\)
              A.\(2\)
              B.\(- \dfrac {1}{2}\)
              C.\( \dfrac {1}{2}\)
              D.\(-2\)
            • 3.
              写出一个数,使这个数的绝对值等于它的相反数: ______ .
            • 4.
              \(-(-2)\)等于\((\)  \()\)
              A.\(-2\)
              B.\(2\)
              C.\( \dfrac {1}{2}\)
              D.\(±2\)
            • 5.
              \(-8\)的相反数是\((\)  \()\)
              A.\(-8\)
              B.\( \dfrac {1}{8}\)
              C.\(8\)
              D.\(- \dfrac {1}{8}\)
            • 6.
              \(-2\)的相反数为\((\)  \()\)
              A.\(2\)
              B.\( \dfrac {1}{2}\)
              C.\(-2\)
              D.\(- \dfrac {1}{2}\)
            • 7.
              如果\(a\)与\(-2\)互为相反数,那么\(a\)等于\((\)  \()\)
              A.\(-2\)
              B.\(2\)
              C.\(- \dfrac {1}{2}\)
              D.\( \dfrac {1}{2}\)
            • 8. -2的相反数是(  )
              A.-2
              B.2
              C.
              D.-
            • 9. |-5|的相反数是(  )
              A.-5
              B.5
              C.
              D.-
            • 10. \(2018\)的相反数是\((\)  \()\)
              A.\(-2018\)
              B.\( \dfrac {1}{2018}\)
              C.\(2018\)
              D.\(- \dfrac {1}{2018}\)
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