Khẳng định nào sau đây đúng:
A.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow 2\overrightarrow {AM} = \overrightarrow a \)
B.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {MA} = \overrightarrow a \)
C.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {AM} = - \overrightarrow a \)
D.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {AM} = \overrightarrow a \)
A.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow 2\overrightarrow {AM} = \overrightarrow a \)
B.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {MA} = \overrightarrow a \)
C.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {AM} = - \overrightarrow a \)
D.\({T_{\overrightarrow a }}\left( A \right) = M \Leftrightarrow \overrightarrow {AM} = \overrightarrow a \)
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