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自古以来,我国人民喜爱的数学游戏有好多种。“填数阵”就是其中的一种。他看起来简单,但是如果不掌握一些方法,填起来也并不轻松。做这类游戏时要注意以下几点:1.要仔细观察所要填数的图形,图形中要填的位置很多,但是最关键的位置往往只有一两个,我们一定要抓住关键的位置。如三角形的顶点,长方形、正方形的顶点,图形的中心或交叉的位置等。2.要善于把所填的数阵的特点与数联系起来考虑。通常是计算出所填数字
Since ancient times, there are many kinds of math games that our people love. “Fill array ” is one of them. He looks simple, but filling in is not easy without some method. To do such games should pay attention to the following points: 1. To carefully observe the desired number of graphics, graphics to fill a lot of position, but the most critical position is often only one or two, we must grasp the key position. Such as apexes of triangles, rectangles, vertices of squares, centers of graphics, or intersections. 2. Be good at filling the number of the characteristics of the matrix and linked to consider. The number is usually calculated