天气预报15天查询> 其他> 分母中有根号如何化简

分母中有根号如何化简

更新时间: 2020-10-25 00:00:00     

分母有理化。分两种:第一种:分母中含有一个根号。分子分母同时乘以相等的根号,促成根号的平方,去掉根号。第二种:分母中含有两个根号。分子分母同时乘以可以促成平方差公式的式子。

关键词: 分母 根号 如何

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-284052/ | 耗时:0.3316 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=284052 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=284052 LIMIT 0,1
select * from tbl_Articles_sphinx where id=284052 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1054182,1124997,1095928,1093485,1126583,1063783,284052,1129255,1105785,1083164,1060355,1071934,1100396,1087745,1127319,1135824,1064271,1123339,1124326,1073375,1099033,1050207,1079826,1099837,1118070,1128597,980889,1062720,1128902,1056124) ORDER BY field (ArticleID,1054182,1124997,1095928,1093485,1126583,1063783,284052,1129255,1105785,1083164,1060355,1071934,1100396,1087745,1127319,1135824,1064271,1123339,1124326,1073375,1099033,1050207,1079826,1099837,1118070,1128597,980889,1062720,1128902,1056124)