填空题:过点(1,2)且垂直于向量a=(-2,4)的直线方程为( ). 题目分类:文科数学 题目类型:填空题 查看权限:VIP 题目内容: 过点(1,2)且垂直于向量a=(-2,4)的直线方程为( ). 参考答案: 答案解析:
When you are travelling, whether on business or for pleasure When you are travelling, whether on business or for pleasure, you often need to 分类:文科数学 题型:填空题 查看答案