The mathematical induction variable type and applicationAoMin GaoWaMathematical sciences mathematics and applied mathematics class have classGuide teacher joss-stick flowerAbstract: in this article, I ChenMeiZhen article "mathematical induction in discrete mathematics application" for main references, combining learned higher algebra and middle school algebra based on knowledge relevant research, discusses the mathematical induction insight topic steps and mathematical induction, and a variety of variants in mathematical induction, and the application of mathematical calculation by specific examples to illustrate.Keywords mathematical induction; The mathematical induction of variable type; Application"