“数”与“形”是数学殿堂里密不可分的两大柱石,“数缺形时少直观、形少数时难入微”.“数”与“形”的互相转化是中学数学学习与研究运用广泛、意义深刻的一种思维方法.若某些代数问题有明显的几何意义,则转化为几何图形,适当地运用几何方法,以”形”研究“数”,会使问题直观形象,解法简捷灵活.现结合实例说明: “Number” and “form” are two pillars inseparable from mathematics hall. “When the number is missing, it is less intuitive and the shape is less difficult.” The transformation between “number” and “shape” is the study and application of mathematics in middle school. A broad and profound thinking method. If some algebraic problems have obvious geometrical meanings, they are turned into geometric figures. Using geometric methods appropriately and studying “numbers” with “forms” will make the questions intuitively visible and simple to solve. Flexible. Now combine examples to illustrate: