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课时01.千克和克【更多课程加微信:320991088】.flv
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2022-05-25 14:15:55 |
43.58 MB |
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课时02.吨的认识【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
67.3 MB |
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课时03.口算乘法(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
41.14 MB |
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课时04.笔算乘法(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
38.69 MB |
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课时05.笔算乘法(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:51 |
33.99 MB |
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课时06.解决问题【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
39.29 MB |
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课时07.有趣的搭配【更多课程加微信:320991088】.flv
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2022-05-25 14:15:44 |
24.35 MB |
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课时08.口算乘法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
37.85 MB |
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课时09.笔算乘法(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:54 |
34.62 MB |
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课时10.笔算乘法(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:01 |
38.21 MB |
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课时11.0乘以任何数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
69.36 MB |
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课时12.位置与方向(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
68.57 MB |
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课时13.位置与方向(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:49 |
65.13 MB |
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课时14.初步认识平移和旋转【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
27.92 MB |
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课时15.口算除法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
62.38 MB |
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课时16.笔算除法(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
75.48 MB |
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课时17.除法的验算【更多课程加微信:320991088】.flv
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2022-05-25 14:15:40 |
69.35 MB |
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课时18.商是三位数的除法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:55 |
72.06 MB |
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课时19.乘加、乘减运算顺序【更多课程加微信:320991088】.flv
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2022-05-25 14:15:57 |
58.18 MB |
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课时20.除加、除减运算顺序【更多课程加微信:320991088】.flv
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2022-05-25 14:15:46 |
46.82 MB |
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课时21.有小括号算式的运算顺序【更多课程加微信:320991088】.flv
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2022-05-25 14:15:47 |
39.35 MB |
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课时22.时、分、秒的认识【更多课程加微信:320991088】.flv
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2022-05-25 14:15:58 |
79.35 MB |
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课时23.认识时间【更多课程加微信:320991088】.flv
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2022-05-25 14:15:57 |
29.45 MB |
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课时24.多边形周长【更多课程加微信:320991088】.flv
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2022-05-25 14:16:00 |
39.25 MB |
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课时25.长方形和正方形的周长【更多课程加微信:320991088】.flv
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2022-05-25 14:15:46 |
72.15 MB |
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课时26.分数初步认识【更多课程加微信:320991088】.flv
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2022-05-25 14:15:50 |
62.47 MB |
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课时27.分数比比看【更多课程加微信:320991088】.flv
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2022-05-25 14:15:45 |
42.38 MB |
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课时28.分数的简单计算【更多课程加微信:320991088】.mp4
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2022-05-25 14:15:49 |
63.95 MB |
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