以下是关于【笔算连加】的公开课/优质课视频，一共137个
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39:5774 -
49:5177 -
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38:51116 -
23:5560 -
45:5432 -
19:4248 -
1:11:569 -
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42:4083 -
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40:5183 -
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40:2130 -
44:5374 -
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40:3364 -
38:2381 -
08:085 -
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38:52125 -
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38:4594 -
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29:4437 -
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38:498 -
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34:136 -
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38:5083