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自2007年以来,无论全国文综卷、个别省自主命题卷,还是新课标卷,共出现了15道价值量计算题。有些题难度适当、设计精巧,颇受好评;但有些题难度过大,引发歧义,值得商榷。本刊也刊登过多篇文章,有简单明了的,也有复杂详细的。本期刊出的两篇文章就属于此。其中党彦平老师总结的计算方式简单明了,一目了然,而孙恒振老师在文中提出的“环节劳动生产率”概念,很值得玩味,也希望能够引起各位老师的关注。
Since 2007, regardless of the national encyclopedia, autonomous volunteered volumes, or the new curriculum standard, a total of fifteen value calculation problems. Some problems are appropriate, sophisticated design, acclaimed; but some questions too much difficulty, triggering ambiguities, it is open to question. Articles also published many articles, there is a simple and clear, but also complicated and detailed. This issue of the two articles belong to this. Among them, the calculation method summed up by Party Yan Ping is simple and clear at a glance, and the concept of “link labor productivity” put forward by Sun Hengzhen in the paper is very interesting and also arouses the concern of all the teachers.