天气预报 > 其他 > 初二动点问题的解题技巧
初二动点问题的解题技巧
更新时间: 2020-10-26 00:00:00  

1、分析起点,终点,行程,速度;

2、用未知量表达每个所需量;

3、利用数形结合的方法;

4、注意临界值的处理;

5、利用方程建立等式;

6、距离的左右分类讨论。

关键词: 初二 问题 解题 技巧

初二动点问题的解题技巧相关经验

天气预报

最新推荐

页面:/news/view-355403/ | 耗时:0.8015 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=355403 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=355403 LIMIT 0,1
select * from tbl_Articles_sphinx where id=355403 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1115501,1114866,1088628,1096993,1104442,1095520,1079315,1056510,1062350,1092367,1048360,1121240,1110081,1100985,1075478,1068088,1085114,1113413,1105543,1079890,1108496,1107062,1115001,1105087,1089526,1062566,1112280,1097517,1120857,1102320) ORDER BY field (ArticleID,1115501,1114866,1088628,1096993,1104442,1095520,1079315,1056510,1062350,1092367,1048360,1121240,1110081,1100985,1075478,1068088,1085114,1113413,1105543,1079890,1108496,1107062,1115001,1105087,1089526,1062566,1112280,1097517,1120857,1102320)