在正方形的网格中,每个小正方形的边长都是相等的,每个小正方形的顶点叫做格点,我们把以格点的连线为边的图形叫格点图形.近年来,各地的中考试卷中频频出现这类与格点有关的数学问题,由于这类与网格有关的中考题大部分具有开放性,设计又新颖,能很好地考查学生的思维水平和 In the square grid, the length of each small square is the same, the vertex of each small square is called the grid point, and we take the grid line as the side grid graph called the grid graph.In recent years, all over In the middle of the examination papers frequently appear with such lattice-related mathematical problems, because most of these grid-related senior high school entrance examination questions are open, designed and novel, can well examine the level of thinking and students