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正星形的几个判定定理熊曾润宋方钦（江西赣南师范学院３４１０００）由单独一条平面闭折线组成的正星形，是一种非常优美的图形，它们具有许多美妙的性质（见［１］与［２］）．这种图形的定义是（图１）定义１将圆ｎ等分（如图１），从任一分点开始，顺次连结相隔ｍ个分...
Several Judgement Theorem for Positive Stars Xiong Zengrun Song Fangqin (Jiangnan Normal University 341000) A positive star composed of a single plane closed line is a very beautiful figure with many wonderful properties (see [1] and [2]). The definition of this figure is (Figure 1) Definition 1 will divide the circle into n equal parts (as in Figure 1), starting from any point, successively separated by m points...