题目说相交了就只有二种情况了
一、有一个交点 既斜交或垂直
二、有无数个交点 既直线在平面上
猜你喜欢
- 1The writer has just moved to a new house.She was___yesterday.
- 2中翻英,就几句话哦,不要google
- 3汽车启动后做匀加速直线运动,他在第5s内行驶了18m,则它在第7s末的速度是?
- 4电能转化为内能的用电器(举例)
- 5It wax terrible.It rained so ---that people could ---go out.
- 6英语作文:I like a friend who are ......
- 7The mother didn't know who to blame for the broken glass as it happened while she was out.
- 8第3题 甲有400元,乙有钱150元,若乙将一部分钱给甲,此时乙的钱数是甲的钱数的10%,问乙应把多少钱给甲
- 9你哥哥通常在什么时候洗淋浴英文怎么说
- 1022.The old man walked in the street,______.A.followed by his son