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已知向量\({\rm{a}} = (3{\rm{ }},{\rm{ }} - 1)\),\({\rm{b}} = (1{\rm{ }},{\rm{ }} - 2)\),则\( - 3{\rm{a}} + 3{\rm{b}} = \)( )
A.\(\left( {6{\rm{ }},{\rm{ }}3} \right)\)
B.\(\left( { - 6{\rm{ }},{\rm{ }} - 3} \right)\)
C.\(\left( { - 6{\rm{ }},{\rm{ }}3} \right)\)
D.\(\left( {6{\rm{ }},{\rm{ }} - 3} \right)\)
参考答案:B
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