A.Vô sốB.1C.3D.5
A.\(m \in \left[ { - 5;2} \right)\)B.\(m \in \left( { - \infty ;2} \right]\)C.\(m \in \left( {2; + \infty } \right)\)D.\(m \in \left( { - \infty ; - 5} \right)\)
A.2015B.2016C.2017D.2014
A.3B.6C.D.5
A.4B.2C.1D.3
A.2B.4C.3D.1
A.\(m \le - 1\)B.\(m \ge 0\)C.\(m < - 1\)D.\( - 2 \le m \le 1\)
A.2018B.2020C.2019D.2021
A.B.C.D.
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