| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
|
01.时、分、秒的认识(1).mp4 | 2024-07-01 17:57:55 | 490.52 MB | |
|
|
02.时、分、秒的认识(2).mp4 | 2024-07-01 17:57:55 | 502.54 MB | |
|
|
03.万以内的加法和减法（一）1.mp4 | 2024-07-01 17:57:55 | 195.84 MB | |
|
|
04.万以内的加法和减法（一）2.mp4 | 2024-07-01 17:57:55 | 196.09 MB | |
|
|
05.测量（1）.mp4 | 2024-07-01 17:57:55 | 184.12 MB | |
|
|
06.测量（2）.mp4 | 2024-07-01 17:57:55 | 185.37 MB | |
|
|
07.万以内的加法和减法（二）1.mp4 | 2024-07-01 17:57:55 | 168.05 MB | |
|
|
08.万以内的加法和减法（二）2.mp4 | 2024-07-01 17:57:55 | 190.08 MB | |
|
|
09.倍的认识.mp4 | 2024-07-01 17:57:55 | 202.3 MB | |
|
|
10.多位数乘一位数（1).mp4 | 2024-07-01 17:57:55 | 200.36 MB | |
|
|
11.多位数乘一位数（2）.mp4 | 2024-07-01 17:57:55 | 228.61 MB | |
|
|
12.长方形和正方形（1）.mp4 | 2024-07-01 17:57:55 | 190.61 MB | |
|
|
13.长方形和正方形（2）.mp4 | 2024-07-01 17:57:55 | 189.76 MB | |
|
|
14.分数的初步认识（1）.mp4 | 2024-07-01 17:57:55 | 223.47 MB | |
|
|
15.分数的初步认识（2）.mp4 | 2024-07-01 17:57:55 | 209.98 MB | |
|
|
16.数学广角—集合.mp4 | 2024-07-01 17:57:55 | 252.99 MB | |
|
|
17.整理和复习(1).mp4 | 2024-07-01 17:57:55 | 252.68 MB | |
|
|
18.整理和复习(2).mp4 | 2024-07-01 17:57:55 | 221.65 MB | |
|
|
19.位置与方向（一）.mp4 | 2024-07-01 17:57:55 | 225.3 MB | |
|
|
20.除数是一位数的除法（1）.mp4 | 2024-07-01 17:57:55 | 154.04 MB | |
|
|
21.除数是一位数的除法（2）.mp4 | 2024-07-01 17:57:55 | 254.59 MB | |
|
|
22.复式统计表.mp4 | 2024-07-01 17:57:55 | 170.37 MB | |
|
|
23.两位数乘两位数（1）.mp4 | 2024-07-01 17:57:55 | 132.3 MB | |
|
|
24.两位数乘两位数（2）.mp4 | 2024-07-01 17:57:55 | 148.63 MB | |
|
|
25.面积(1).mp4 | 2024-07-01 17:57:55 | 175.58 MB | |
|
|
26.面积(2).mp4 | 2024-07-01 17:57:55 | 174.12 MB | |
|
|
27.面积(3).mp4 | 2024-07-01 17:57:55 | 165.07 MB | |
|
|
28.年、月、日(1).mp4 | 2024-07-01 17:57:55 | 169.59 MB | |
|
|
29.年、月、日(2).mp4 | 2024-07-01 17:57:55 | 158.59 MB | |
|
|
30.小数的初步认识(1).mp4 | 2024-07-01 17:57:55 | 172.34 MB | |
|
|
31.小数的初步认识(2).mp4 | 2024-07-01 17:57:55 | 188.09 MB | |
|
|
32.数学广角——搭配（二）.mp4 | 2024-07-01 17:57:55 | 180.93 MB | |
|
|
33.总复习.mp4 | 2024-07-01 17:57:55 | 667.11 MB |