当前时间: 2026-04-27 19:25:26
分类:办公文件
评论(0)
20以内加减法打印版pdf,20以内数的分解图大家好,这里是淘学学资料库,这份《20 以内加减法分合练习》,完整 pdf 电子档共 15 页。这份练习资料专为低年级孩子设计,聚焦 20 以内加法分合训练,按得数从 0 到 20 依次编排,循序渐进引导孩子写出不同数字的加法组合,从基础得数 0、1、2、3 开始,逐步过渡到 4、5 至 20,题型简单清晰,侧重数字拆分与组合能力培养,适合孩子夯实口算基础,提升计算熟练度。这份资料整体结构清晰,以得数为分类标准,每个数字都预留充足书写位置,方便孩子反复练习不同加法算式,从易到难逐步掌握 20 以内加法规律,帮助孩子熟练完成数字分合,强化加法运算思维,无复杂题型,专注基础口算训练,能有效帮助孩子打好算术基本功,适合日常巩固练习。(公众号底部菜单查看完整pdf获取方式)
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-04-27 19:34:41 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/564056.html
- 运行时间 : 0.175618s [ 吞吐率:5.69req/s ] 内存消耗:4,553.93kb 文件加载:145
- 缓存信息 : 0 reads,0 writes
- 会话信息 : SESSION_ID=06caba6a844c8e5b1f7dfdb1ac0aa887
- CONNECT:[ UseTime:0.000949s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001570s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000672s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000640s ]
- SHOW FULL COLUMNS FROM `set` [ RunTime:0.001285s ]
- SELECT * FROM `set` [ RunTime:0.000490s ]
- SHOW FULL COLUMNS FROM `article` [ RunTime:0.001318s ]
- SELECT * FROM `article` WHERE `id` = 564056 LIMIT 1 [ RunTime:0.001108s ]
- UPDATE `article` SET `lasttime` = 1777289681 WHERE `id` = 564056 [ RunTime:0.002900s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000599s ]
- SELECT * FROM `article` WHERE `id` < 564056 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000996s ]
- SELECT * FROM `article` WHERE `id` > 564056 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001118s ]
- SELECT * FROM `article` WHERE `id` < 564056 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001546s ]
- SELECT * FROM `article` WHERE `id` < 564056 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001665s ]
- SELECT * FROM `article` WHERE `id` < 564056 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001525s ]
0.177476s