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近似計算在中等专业学校数学课里,占有重要地位。但是,由于过去所采用的课本,以及在我们的教法方面存在着一些问题,因此几年来教学效果不能令人滿意。在总路线的鼓舞下,在党的“破除迷信,解放思想”的号召下,我們决心改变这种現象,经过努力,根据下述四項原則,对教材作了补充,教法作了改进,教学效果已有所提高。四项原則是: (一)在讲授近似計算的概念时,应当先从具体的、簡单的实例出发,使同学易于理解。这样,才符合认識发展的过程,从个别的具体的,到抽象的一般的;而且使同学深刻体会到近似計算的理論和任何科学的理論一样,都是起源于实践。
Approximate calculations play an important role in mathematics classes in secondary specialized schools. However, due to the textbooks used in the past and some problems in our teaching methods, the teaching results have been unsatisfactory for several years. Inspired by the general line, under the call of the party to “dispel superstition and emancipate the mind,” we are determined to change this phenomenon. Through hard work, we have supplemented the teaching materials in accordance with the following four principles, and the teaching methods have been improved. Teaching The effect has been improved. The four principles are: (1) When teaching the concept of approximate calculation, it is necessary to start from concrete and simple examples to make the students easy to understand. In this way, it is consistent with the process of cognition and development, from individual concrete to abstract general; and it makes the students profoundly appreciate that the theory of approximate calculation and any scientific theory are originated from practice.