天气预报15天查询> 其他> 六个点能画几条线

六个点能画几条线

更新时间: 2020-08-19 00:00:00     

一个六个点,两点确定一条直线。所以每个点有其他五个点与其连成一条直线,一个有6*(6-1)=30条线。因为线之间会出现重叠,所以不重叠的线有30/2=15条。

关键词:

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1453956/ | 耗时:0.7800 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1453956 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1453956 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1453956 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1124291,1103741,1120312,1067203,1123078,1077772,1086756,1096256,1304852,1063303,263999,1049728,1106505,1127187,1122952,1062460,239109,1064291,1128159,1077545,1095548,1126140,1092139,1127829,1077264,1072342,1131237,1057118,1129395,1108492) ORDER BY field (ArticleID,1124291,1103741,1120312,1067203,1123078,1077772,1086756,1096256,1304852,1063303,263999,1049728,1106505,1127187,1122952,1062460,239109,1064291,1128159,1077545,1095548,1126140,1092139,1127829,1077264,1072342,1131237,1057118,1129395,1108492)