【有完整视频】罗鸣亮《三位数乘一位数》三年级数学教学观摩视频，2021年第31届现代与经典全国教学观摩研讨会(000000-1680004)_哔哩哔哩_bilibili

Name: %E3%80%90%E6%9C%89%E5%AE%8C%E6%95%B4%E8%A7%86%E9%A2%91%E3%80%91%E7%BD%97%E9%B8%A3%E4%BA%AE%E3%80%8A%E4%B8%89%E4%BD%8D%E6%95%B0%E4%B9%98%E4%B8%80%E4%BD%8D%E6%95%B0%E3%80%8B%E4%B8%89%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E6%95%99%E5%AD%A6%E8%A7%82%E6%91%A9%E8%A7%86%E9%A2%91%EF%BC%8C2021%E5%B9%B4%E7%AC%AC31%E5%B1%8A%E7%8E%B0%E4%BB%A3%E4%B8%8E%E7%BB%8F%E5%85%B8%E5%85%A8%E5%9B%BD%E6%95%99%E5%AD%A6%E8%A7%82%E6%91%A9%E7%A0%94%E8%AE%A8%E4%BC%9A(000000-1680004)
Uploaded: 2025-08-18T07:47:37.754Z

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