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中考命题经过命题人员的精心设计,一般来说比较典型,许多师生对此情有独钟,若“拿来主义”按部就班地使用,就体会不到它的内在价值,教学时应当以科学的精神加以挖掘,使其成为训练和研究的重点.下面以07年江苏淮安中考题为例加以说明.如图,由等圆组成的一组图中,第1个图由1个圆组成,第2个图由7个圆组成,第3个图由19个圆
The propositions of the exam are carefully designed by the propositional staff. Generally, they are typical. Many teachers and students have a soft spot for this. If “acquisitionism” is applied step by step, it will not realize its intrinsic value. The spirit of science has been excavated to make it the focus of training and research. The following is an illustration of the 2007 Huai’an exam in Jiangsu as an example. As shown in the figure, a set of graphs consisting of equal circles consists of a circle consisting of 1 circle. , the second figure consists of 7 circles, the third figure consists of 19 circles