题干
若直线l的倾斜角是直线2x﹣y+4=0的倾斜角的两倍，则直线l的斜率为____．
答案(点此获取答案解析）
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| 4 |
| 3 |
---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.