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近年来,在中考试卷中频频出现与格点有关的题目.其题型新颖、题材丰富、构思巧妙.利用格点可以进行图形的平移、旋转与翻折,在判断三角形全等与相似,计算图形的面积,探索有关的规律和结论等方面应用较广.在解决这些问题时,同学们要认真观察,综合运用所学的知识,探索规律,寻找突破口,从而正确地解题.下面就以2010年的中考题为例加以说明.
In recent years, frequently appeared in the middle of the examination paper and the grid-related topics.The topic is novel, rich in theme, clever idea.The use of grid points can be graphics translation, rotation and turning off, in determining the triangle congruent and similar calculation Graphic area, to explore the rules and conclusions of a wider range of applications, etc. In solving these problems, students should carefully observe the comprehensive use of the knowledge learned to explore the law, to find a breakthrough in order to correctly solve the problem below 2010 senior high school entrance examination questions as an example to illustrate.