以下是关于【倍的初步认识】的公开课/优质课视频，一共240个
1:04:3482-
38:26101 -
27:3851 -
36:1680 -
38:0952 -
41:5331 -
36:1793 -
39:1965 -
40:3260 -
35:1375 -
40:0051 -
51:4748 -
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43:0368 -
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17:10136 -
40:4048 -
50:5932 -
15:5851 -
51:32106 -
39:0557 -
1:01:2551 -
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06:0056 -
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14:5861 -
06:13103 -
48:1781 -
19:28105 -
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36:3055 -
39:2176 -
19:2881 -
14:5854 -
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42:1388 -
43:57106 -
43:0353 -
40:4090 -
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48:0869 -
36:307 -
50:599 -
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40:4694 -
39:0530 -
15:5966 -
15:5921 -
40:00136 -
30:53129 -
39:05140 -
40:3231 -
24:5565 -
35:1373 -
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34:37100 -
15:59136 -
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51:326 -
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25:5914 -
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35:5999 -
29:08119 -
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50:3236 -
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57:37102 -
1:00:1097 -
40:0198 -
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20:49130 -
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37:38120 -
34:3811