高中数学第二章圆锥曲线与方程2.1.2第一课时椭圆的简单几何性质省公开课一等奖新名师优质课获奖PPT.pptx

阶阶段段1 阶阶段段2阶阶段段3学学业业分分层层测测评评1/422/423/42axa byb 4/422b 2a(0，c)2c 坐标轴(0,0)5/42(0,1)越扁 0 6/427/428/42椭圆简单几何性质9/4210/4211/4212/4213/4214/42利用椭圆几何性质求其标准方程15/4216/4217/4218/4219/4220/4221/42椭圆离心率22/4223/4224/4225/4226/4227/4228/4229/4230/4231/4232/4233/4234/4235/4236/4237/4238/4239/4240/4241/4242/42