拼图、密铺问题是中考的热点.要解答这类问题,学生不仅要有很强的图形观察能力,还要借助一种强有利的工具——方程或方程组.这样问题就会获得完美的解答.下面就试举几例,供学习时参考.一、用长方形、正方形密铺成正方形例1如图1,是用四个完全相同的小长方 To solve these problems, students not only need to have strong ability of graphics observation, but also use a powerful tool - equation or system of equations so that the problem will be perfect Answer. Here are a few examples for reference when learning. First, with a rectangular, square paved into a square Example 1 as shown in Figure 1, with four identical small rectangle