2025年教学资料:6.1两点间距离公式和线段的中点坐标公式
6.1两点间距离公式和线段的中点坐标公式6.1两点间距离公式和线段的中点坐标公式围棋起源于中国,围棋使用方形格状棋盘及黑白二色圆形棋子,棋盘上有纵横各19条线段将棋盘分成361个交叉点,棋子走在交叉点上,双方交替行棋,落子后不能移动,以围地多者为胜.如果把围棋的棋盘看作平面直角坐标系,黑白棋子所落的位置,是否可以用点的坐标表示呢?探索新知例题辨析巩固练习归纳总结布置作业情境导入6.1两点间距离公式和线段的中点坐标公式棋盘上棋子之间间隔大小,中位所在,对应的就是平面直角坐标系上两点间的距离和线段的中点.情境导入探索新知例题辨析巩固练习归纳总结布置作业在平面直角坐标系中,平面上任意一点M与有序实数...
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