一个图形设计问题:为美化环境,某单位需要在正方形空地上分别种植四种不同的花草,计划将这块地按如下要求分成四块:(1)分割后的整个图形必须是中心对称图形;(2)四块图形的形状相同;(3)四块图形的面积相等.请按照上述三个要求分别在下面的正方形中给出四种不同的分割方法(尺规或徒手作图均可,但要尽可能准确、美观,不写作法).本题主要涉及中心对称图形、图形的形 A graphic design problem: In order to beautify the environment, a unit needs to plant four different types of flowers and plants on a square open space. It plans to divide this area into four parts as follows: (1) The entire figure after partition must be a center symmetrical figure; (2) The shape of the four figures is the same; (3) The area of ​​the four figures is equal. Please provide four different methods of segmentation in the following squares according to the above three requirements (either ruler or freehand drawing, But to be as accurate and aesthetically pleasing as possible, not writing.) This question is mainly related to the shape of the center symmetrical graphics and graphics.