计算型选择题融计算、选择于一体，是考察大家是否具有灵活解题能力的一种常见题型.解计算型选择题，通常的思维方法，往往存在时间长，计算量大且易出错等缺点，如果我们能结合不同题目的特点，找到巧解的策略，则往往能化繁为简，转难为易，找到“拨云见日”的解题感觉．下面 Computational choice questions are a common type of questions that examine whether or not people have the ability to solve problems flexibly. Solving computational multiple-choice questions, the usual way of thinking, often has a long time, a large amount of calculations and errors, etc. Disadvantages, if we can combine the characteristics of different topics, find a clever solution strategy, it can often be simple, easy to turn, find the “Diamond see the Sun” problem-solving feeling. the following