圆锥曲线、解析几何题难计算量大?6种实用方法帮你简化解题过程!
高中数学圆锥曲线/解析几何
6种方法减轻运算量,优化解题过程
技巧1:回归定义
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzAxMjIvMjExODY2MDk4XzJfMjAyMTAxMDExMDA1MjM1Nw==.jpg)
技巧2:设而不求
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzAxMjIvMjExODY2MDk4XzNfMjAyMTAxMDExMDA1MjMzNTQ=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzAxMjIvMjExODY2MDk4XzRfMjAyMTAxMDExMDA1MjM1NDE=.jpg)
技巧3: 巧设参数,换元法
高中数学
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzAxMjIvMjExODY2MDk4XzVfMjAyMTAxMDExMDA1MjM3OTI=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzAxMjIvMjExODY2MDk4XzZfMjAyMTAxMDExMDA1MjQ1Nw==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDEvMDEyMi8yMTE4NjYwOThfN18yMDIxMDEwMTEwMDUyNDIxMw==.jpg)
技巧4:数形结合
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
技巧5:巧用向量法解题
![](http://n4.ikafan.com/assetsj/blank.gif)
技巧6:巧用“根与系数关系”
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
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高中数学圆锥曲线/解析几何
6种方法减轻运算量,优化解题过程
技巧1:回归定义
技巧2:设而不求
技巧3: 巧设参数,换元法
高中数学
技巧4:数形结合
技巧5:巧用向量法解题
技巧6:巧用“根与系数关系”