题文
平面向量
中,已知
=(4,-3),

=1,且

=5,则向量

=( )。 题型:未知 难度:其他题型
答案

解析
该题暂无解析
考点
据考高分专家说,试题“平面向量中,已知=(4,-3.....”主要考查你对 [用坐标表示向量的数量积 ]考点的理解。
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