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横、纵坐标都是整数的点 ,叫做整点或格点。笔者在数学教学中发现整点关于定直线的对称点 ,有的是整点 ,有的却不是整点。那么怎样的整点关于定直线的对称点是整点呢 ?为简述方便 ,文中约定整点关于定直线的对称点也是整点的 ,叫做这条直线的对整点。显然 ,对整点成对出现。本
Horizontal and vertical coordinates are all integer points, called integer points or grid points. In the mathematics teaching, the author found that the whole point about the symmetry point of the straight line, some of the whole point, and some are not the whole point. So what kind of point on the whole point of the symmetry of the straight line is the whole point? For the sake of convenience, the symmetry point of the whole point about the fixed line is also the whole point, which is called the right point of this straight line. Obviously, pairs appear on the whole point. this