论文部分内容阅读
高中的立体几何,必修选修都含有,内容体系庞大,涉及的定义、定理、性质与推论繁多。俗话说:几何难,代数繁,物理化学公式记不完。其实,几何的难,首先也是相关内容记不完,其次就是几何论证方法技巧灵活多变造成的,因此,高中立体几何方面,学生理解掌握起来普遍困难。即使在现今的实际教学中,文科的教材也还是沿用着以前的老路;但理科的教材却给学生带来了福音——引进了向量,使庞杂的立体几何系统只需要借助两类向量就能全部解决。
Three-dimensional geometry of high school, compulsory elective include, the content system is huge, the definition, theorem, nature and reasoning numerous. As the saying goes: geometry is hard, algebra is complicated, the physicochemical formula can not remember. In fact, the geometry of the difficult, first of all is related to the content can not remember, followed by the geometry of the method of flexible demonstration of change, therefore, high school three-dimensional geometry, the students understand the general difficulty of control. Even in today’s actual teaching, liberal arts texts are still based on old ways; however, textbooks in science give students a gospel - the introduction of vectors that make complex three-dimensional geometry systems require only two types of vectors All resolved.