天气预报 > 其他 > 七年级数学法则
七年级数学法则
更新时间: 2020-06-30 00:00:00  

1、过两点有且只有一条直线;

2、两点之间线段最短;

3、同角或等角的补角相等;

4、同角或等角的余角相等;

5、过一点有且只有一条直线和已知直线垂直;

6、直线外一点与直线上各点连接的所有线段中,垂线段最短;

7、平行公理经过直线外一点,有且只有一条直线与这条直线平行;

8、如果两条直线都和第三条直线平行,这两条直线也互相平行;

9、同位角相等,两直线平行;

10、

关键词: 年级 数学 法则

七年级数学法则相关经验

天气预报

最新推荐

页面:/news/view-3009519/ | 耗时:0.3117 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3009519 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3009519 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3009519 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2834842,224737,262802,242466,122992,242797,122753,3055858,260618,246031,112923,233731,196382,214541,2825332,147398,3417068,3009519,1097085,122300,134573,294131,229964,193703,3297864,222369,210981,165290,186203,285430) ORDER BY field (ArticleID,2834842,224737,262802,242466,122992,242797,122753,3055858,260618,246031,112923,233731,196382,214541,2825332,147398,3417068,3009519,1097085,122300,134573,294131,229964,193703,3297864,222369,210981,165290,186203,285430)