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课时01.计算器【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
51.17 MB |
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课时02.神奇的算式【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
70.11 MB |
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课时03.用字母表示数与式【更多课程加微信:320991088】.flv
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2022-05-25 14:15:56 |
69.14 MB |
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课时04.加法运算定律【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
68.49 MB |
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课时05.乘法运算定律(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:16:01 |
79 MB |
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课时06.乘法运算定律(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:52 |
82.25 MB |
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课时07.三角形的特征【更多课程加微信:320991088】.flv
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2022-05-25 14:15:40 |
75.48 MB |
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课时08.三角形的分类【更多课程加微信:320991088】.flv
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2022-05-25 14:15:57 |
74.22 MB |
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课时09.三角形的内角和【更多课程加微信:320991088】.flv
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2022-05-25 14:15:48 |
71.89 MB |
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课时10.平行四边形和梯形(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:58 |
68.81 MB |
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课时11.平行四边形和梯形(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:47 |
67.5 MB |
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课时12.密铺【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
58.68 MB |
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课时13.小数的读法和写法【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
74.03 MB |
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课时14.小数的性质和大小比较【更多课程加微信:320991088】.flv
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2022-05-25 14:15:51 |
88.59 MB |
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课时15.小数点的移动【更多课程加微信:320991088】.flv
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2022-05-25 14:15:59 |
70.92 MB |
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课时16.生活中的小数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:41 |
77.45 MB |
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课时17.求一个小数的近似数【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
73.6 MB |
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课时18.观察物体【更多课程加微信:320991088】.flv
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2022-05-25 14:15:43 |
73.87 MB |
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课时19.小数的加法和减法(一)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:59 |
71.44 MB |
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课时20.小数的加法和减法(二)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:45 |
79.46 MB |
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课时21.小数的加法和减法(三)【更多课程加微信:320991088】.flv
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2022-05-25 14:15:59 |
69.41 MB |
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课时22.平均数【更多课程加微信:320991088】.flv
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2022-05-25 14:16:02 |
61.73 MB |
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课时23.复式统计表【更多课程加微信:320991088】.mp4
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2022-05-25 14:15:47 |
62.63 MB |
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