①错,当A,B,C,D四点共线时,直线AB不平行于直线CD②错,相等对起点和终点不限制,只要求长度相等和方向相同即可③对④错,但向量AB=向量CD时也是平行四边形哪个我分析错了?
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 11:24:40
![①错,当A,B,C,D四点共线时,直线AB不平行于直线CD②错,相等对起点和终点不限制,只要求长度相等和方向相同即可③对④错,但向量AB=向量CD时也是平行四边形哪个我分析错了?](/uploads/image/z/13419530-26-0.jpg?t=%E2%91%A0%E9%94%99%2C%E5%BD%93A%2CB%2CC%2CD%E5%9B%9B%E7%82%B9%E5%85%B1%E7%BA%BF%E6%97%B6%2C%E7%9B%B4%E7%BA%BFAB%E4%B8%8D%E5%B9%B3%E8%A1%8C%E4%BA%8E%E7%9B%B4%E7%BA%BFCD%E2%91%A1%E9%94%99%2C%E7%9B%B8%E7%AD%89%E5%AF%B9%E8%B5%B7%E7%82%B9%E5%92%8C%E7%BB%88%E7%82%B9%E4%B8%8D%E9%99%90%E5%88%B6%2C%E5%8F%AA%E8%A6%81%E6%B1%82%E9%95%BF%E5%BA%A6%E7%9B%B8%E7%AD%89%E5%92%8C%E6%96%B9%E5%90%91%E7%9B%B8%E5%90%8C%E5%8D%B3%E5%8F%AF%E2%91%A2%E5%AF%B9%E2%91%A3%E9%94%99%2C%E4%BD%86%E5%90%91%E9%87%8FAB%EF%BC%9D%E5%90%91%E9%87%8FCD%E6%97%B6%E4%B9%9F%E6%98%AF%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%E5%93%AA%E4%B8%AA%E6%88%91%E5%88%86%E6%9E%90%E9%94%99%E4%BA%86%3F)
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