天气预报15天查询> 其他> 试比较ab与a的大小

试比较ab与a的大小

更新时间: 2020-09-17 00:00:00     

这属于分类讨论的题型:

解:将原式变形为(a+b)-a=b;

1、当b大于0时,a+b大于a;

2、当b等于0时,a+b等于a;

3、当b小于0时,a+b小于a。

关键词: 比较 ab 大小

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-222333/ | 耗时:0.4350 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=222333 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=222333 LIMIT 0,1
select * from tbl_Articles_sphinx where id=222333 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1077826,1069335,1127655,1119690,1062094,1094442,1116047,1091304,1100430,1081905,1087911,1095646,1115819,1102022,1092642,986336,1102770,1112336,1110113,1117003,1093266,1093397,980889,1071661,1073515,1103311,1082306,1056384,1114608,1077960) ORDER BY field (ArticleID,1077826,1069335,1127655,1119690,1062094,1094442,1116047,1091304,1100430,1081905,1087911,1095646,1115819,1102022,1092642,986336,1102770,1112336,1110113,1117003,1093266,1093397,980889,1071661,1073515,1103311,1082306,1056384,1114608,1077960)