The author in this article from the crux of the analysis of several typical math classroom inefficient reasons, and proposed a corresponding improvement strategies.

本文中笔者就从几种典型症结分析数学课堂低效原因，并提出了相应的改进策略。

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From the current instance of some class status and the observed classroom questioning I found in the primary school teachers' classroom questioning of inefficient or invalid.

从现今的一些课堂现状以及观察到的课堂提问实例中我发现小学教师课堂提问的低效甚至无效。

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The research results show that if the classroom instructional messages are transmitted in an ordinary way of identity, discrepancy and reverse, the teaching is relatively inefficient.

结果表明：课堂教学信息经一般的同异反传递后，其教学效率都比较低。

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