巧妙的解题方法会达到事半功倍的效果。尤其在高考答题时，在有限的两个小时内能否答完、答好规定的题目，取得优秀的成绩，更显解题技巧的重要。下面结合自己的课堂教学谈两种常用的解题方法技巧。一、守恒法守恒法包含的种类较多，如离子守恒、电荷守恒、物质的量守恒等... Clever problem-solving methods will achieve a multiplier effect. In particular, when answering college entrance examinations, whether or not they can answer the prescribed questions within a limited period of two hours and obtain excellent results will be more important in solving problems. The following combination of their own classroom teaching to talk about two common problem-solving methods and techniques. I. Conservation Law Conservation Law contains many types, such as conservation of ions, conservation of charges, conservation of the amount of substances, etc...