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依据数学课程标准编写的新教材刚使用不久,老师们对于新增内容的教学再也不是驾轻就熟了,因此进一步把握新增内容很有必要.下面就条件概率谈几点认识,供参考.
The new textbooks based on math curriculum standards have just been used for a long time and teachers are no longer adept at teaching new contents. Therefore, it is necessary to grasp the new contents further.