2021年天津高考数学押题班解析几何1。...
2021年天津高考数学押题班解析几何1。天津高考的解析几何想得满分关键是解决三个问题:第一,挖掘题目几何特征,建立方程关系(垂直,等边三角形,锐角,钝角,相切,相交)。第二,直线和椭圆联系,通过韦达定理进行计算。第三,点线面关系的转化,题目告诉你面积之间的关系可能得到两条边长之间的关系,告诉你边长之间的关系可能转化为点之间的关系。如果碰到取值范围的题目,可能涉及到函数的最值问题,一般用换元法,二次函数法以及不等式都能解决。
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2021年天津高考数学押题班解析几何1。天津高考的解析几何想得满分关键是解决三个问题:第一,挖掘题目几何特征,建立方程关系(垂直,等边三角形,锐角,钝角,相切,相交)。第二,直线和椭圆联系,通过韦达定理进行计算。第三,点线面关系的转化,题目告诉你面积之间的关系可能得到两条边长之间的关系,告诉你边长之间的关系可能转化为点之间的关系。如果碰到取值范围的题目,可能涉及到函数的最值问题,一般用换元法,二次函数法以及不等式都能解决。