| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
|
01.正数与负数..mp4 | 2024-07-01 17:57:55 | 705.01 MB | |
|
|
02.有理数..mp4 | 2024-07-01 17:57:55 | 791.58 MB | |
|
|
03.数轴..mp4 | 2024-07-01 17:57:55 | 467.99 MB | |
|
|
04.相反数..mp4 | 2024-07-01 17:57:55 | 255.57 MB | |
|
|
05.绝对值..mp4 | 2024-07-01 17:57:55 | 294.82 MB | |
|
|
06.利用绝对值来比较有理数的大小..mp4 | 2024-07-01 17:57:55 | 356.97 MB | |
|
|
07.有理数的加法..mp4 | 2024-07-01 17:57:55 | 475.25 MB | |
|
|
08.有理数的减法及加减混合运算..mp4 | 2024-07-01 17:57:55 | 459.69 MB | |
|
|
09.有理数的乘法..mp4 | 2024-07-01 17:57:55 | 331.9 MB | |
|
|
10.有理数的除法法则..mp4 | 2024-07-01 17:57:55 | 321.39 MB | |
|
|
11.有理数的加减乘除混合运算..mp4 | 2024-07-01 17:57:55 | 204.24 MB | |
|
|
12.有理数的乘方..mp4 | 2024-07-01 17:57:55 | 271.88 MB | |
|
|
13.有理数的混合运算..mp4 | 2024-07-01 17:57:55 | 508.25 MB | |
|
|
14.科学记数法..mp4 | 2024-07-01 17:57:55 | 198.51 MB | |
|
|
15.列代数式..mp4 | 2024-07-01 17:57:55 | 223.14 MB | |
|
|
16.代数式的值、整式..mp4 | 2024-07-01 17:57:55 | 247.43 MB | |
|
|
17.整式的加减..mp4 | 2024-07-01 17:57:55 | 240.32 MB | |
|
|
18.图形的初步认识..mp4 | 2024-07-01 17:57:55 | 247.4 MB | |
|
|
19.平面图形和最基本的图形..mp4 | 2024-07-01 17:57:55 | 298.69 MB | |
|
|
20.角（1）..mp4 | 2024-07-01 17:57:55 | 314.75 MB | |
|
|
21.角（2）..mp4 | 2024-07-01 17:57:55 | 408.11 MB | |
|
|
22.角（3）..mp4 | 2024-07-01 17:57:55 | 403.29 MB | |
|
|
23.相交线..mp4 | 2024-07-01 17:57:55 | 411.64 MB | |
|
|
24.垂线..mp4 | 2024-07-01 17:57:55 | 285.13 MB | |
|
|
25.同位角、内错角、同旁内角..mp4 | 2024-07-01 17:57:55 | 421.36 MB | |
|
|
26.平行线及平行线的判定方法（1）..mp4 | 2024-07-01 17:57:55 | 317.17 MB | |
|
|
27.平行线的判定（2）（3）..mp4 | 2024-07-01 17:57:55 | 268.53 MB | |
|
|
28.平行线的性质..mp4 | 2024-07-01 17:57:55 | 334.63 MB | |
|
|
29.从算式到方程..mp4 | 2024-07-01 17:57:55 | 485.62 MB | |
|
|
30.解一元一次方程——合并同类项与移项..mp4 | 2024-07-01 17:57:55 | 253.83 MB | |
|
|
31.解一元一次方程——去括号与去分母..mp4 | 2024-07-01 17:57:55 | 357.29 MB | |
|
|
32.实际问题与一元一次方程（1）..mp4 | 2024-07-01 17:57:55 | 412.95 MB | |
|
|
33.实际问题与一元一次方程（2）..mp4 | 2024-07-01 17:57:55 | 334.77 MB | |
|
|
34.实际问题与一元一次方程（3）..mp4 | 2024-07-01 17:57:55 | 303.7 MB | |
|
|
35.二元一次方程组..mp4 | 2024-07-01 17:57:55 | 255.51 MB | |
|
|
36.二元一次方程组的解法..mp4 | 2024-07-01 17:57:55 | 367.39 MB | |
|
|
37.实际问题与二元一次方程组（一）..mp4 | 2024-07-01 17:57:55 | 361.43 MB | |
|
|
38.实际问题与二元一次方程组（二）..mp4 | 2024-07-01 17:57:55 | 383.4 MB | |
|
|
39.三元一次方程组的解法及应用..mp4 | 2024-07-01 17:57:55 | 424.17 MB | |
|
|
40.不等式..mp4 | 2024-07-01 17:57:55 | 453.65 MB | |
|
|
41.解一元一次不等式..mp4 | 2024-07-01 17:57:55 | 354.51 MB | |
|
|
42.一元一次不等式组..mp4 | 2024-07-01 17:57:55 | 373.7 MB | |
|
|
43.不等式（组）的应用..mp4 | 2024-07-01 17:57:55 | 373.03 MB | |
|
|
44.与三角形有关的线段及三角形的稳定性..mp4 | 2024-07-01 17:57:55 | 389.42 MB | |
|
|
45.三角形的内角..mp4 | 2024-07-01 17:57:55 | 309.56 MB | |
|
|
46.三角形的外角..mp4 | 2024-07-01 17:57:55 | 371.37 MB | |
|
|
47.多边形及其内角和..mp4 | 2024-07-01 17:57:55 | 382.74 MB | |
|
|
48.轴对称..mp4 | 2024-07-01 17:57:55 | 398.02 MB | |
|
|
49.作轴对称图形..mp4 | 2024-07-01 17:57:55 | 398.56 MB | |
|
|
50.平移与旋转..mp4 | 2024-07-01 17:57:55 | 888.47 MB | |
|
|
51.中心对称 图形的全等..mp4 | 2024-07-01 17:57:55 | 860.34 MB |