以下是关于【运算定律与简便计算】的公开课/优质课视频，一共67个
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38:0739《6 小数的加法和减法-整数加法运算定律推广到小数》人教2011课标版小学数学四下教学视频-黑龙江佳木斯市_抚远市-高洪伟
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34:47112《6 小数的加法和减法-整数加法运算定律推广到小数》人教2011课标版小学数学四下教学视频-贵州六盘水市_六枝特区-刘跃华
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31:1979《6 小数的加法和减法-整数加法运算定律推广到小数》人教2011课标版小学数学四下教学视频-内蒙古呼和浩特市_新城区-赵海燕
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