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1.01 观察物体(例1)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:58 |
64.8 MB |
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1.02 观察物体(例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:55 |
34.19 MB |
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2.01 因数和倍数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:54 |
34.72 MB |
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2.02 找一个数的因数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
42.41 MB |
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2.03 找一个数的倍数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
36.94 MB |
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2.04 2、5的倍数的特征【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
38.6 MB |
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2.05 3的倍数的特征【更多课程加微信:320991088】.flv
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2022-05-25 14:15:59 |
49.55 MB |
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2.06 质数和合数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:57 |
53.89 MB |
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2.07 解决问题【更多课程加微信:320991088】.flv
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2022-05-25 14:15:42 |
40.22 MB |
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3.01 长方体和正方体的认识(例1)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
33.7 MB |
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3.02 长方体和正方体的认识(例2、例3)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:49 |
36.48 MB |
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3.03 长方体和正方体的表面积(例1)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:42 |
43.67 MB |
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3.04 长方体和正方体的表面积(例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:00 |
37.73 MB |
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3.05 体积和体积单位【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
53.13 MB |
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3.06 长方体和正方体的体积(例1)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:41 |
32.22 MB |
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3.07 体积单位间的进率(例2、例3、例4)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
42.42 MB |
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3.08 容积和容积单位(例5)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
34.4 MB |
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3.09 容积和容积单位(例6)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
30.94 MB |
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3.10 探索图形【更多课程加微信:320991088】.flv
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2022-05-25 14:15:46 |
79 MB |
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4.01 分数的产生和分数的意义【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
50.42 MB |
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4.02 分数与除法(例1、例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
44.13 MB |
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4.03 求一个数是另一个数的几分之几(例3)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
27.37 MB |
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4.04 真分数和假分数(例1、例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
57.94 MB |
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4.05 把假分数化成整数或带分数(例3)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
29.35 MB |
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4.06 分数的基本性质【更多课程加微信:320991088】.flv
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2022-05-25 14:15:59 |
52.18 MB |
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4.07 最大公因数(例1、例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
38.73 MB |
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4.08 最大公因数(例3)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
24.95 MB |
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4.09 约分【更多课程加微信:320991088】.flv
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2022-05-25 14:15:46 |
21.57 MB |
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4.10 最小公倍数(例1、例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
27.86 MB |
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4.11 最小公倍数(例3)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:00 |
26.01 MB |
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4.12 通分【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
34.37 MB |
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4.13 分数和小数的互化【更多课程加微信:320991088】.flv
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2022-05-25 14:15:46 |
35.31 MB |
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5.01 认识旋转的特征(例1)、在方格纸上旋转三角尺(例2)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:58 |
31.12 MB |
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5.02 画出简单图形旋转90°后的图形【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
25.61 MB |
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5.03 图形的欣赏与设计(例4)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:54 |
36.51 MB |
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6.01 同分母分数加、减法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:55 |
26.28 MB |
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6.02 异分母分数加、减法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:40 |
37.15 MB |
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6.03 分数加减混合运算【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
25.93 MB |
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6.04 整数加减运算定律推广到分数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:42 |
22.46 MB |
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6.05 解决问题【更多课程加微信:320991088】.flv
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2022-05-25 14:16:01 |
29.38 MB |
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6.06 打电话【更多课程加微信:320991088】.flv
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2022-05-25 14:15:45 |
42.2 MB |
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7.01 单式折线统计图【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
39.92 MB |
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7.02 复式折线统计图【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
50.63 MB |
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8.00 数学广角——找次品【更多课程加微信:320991088】.flv
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2022-05-25 14:15:45 |
54.81 MB |
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9.01 因数和倍数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:47 |
47.84 MB |
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9.02 图形与几何【更多课程加微信:320991088】.flv
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2022-05-25 14:15:55 |
48.03 MB |
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9.03 折线统计图【更多课程加微信:320991088】.flv
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2022-05-25 14:16:00 |
32.48 MB |
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9.04 分数的意义和性质、分数的加法和减法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
68.83 MB |
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