为了又快又准地解答好数学客观题,有些题可充分利用已知条件,在不违背题意的情况下,可赋特值或取特例走极端情形(实际上是增加条件)快速猜出结果,这些题从正面直接解答有时很繁且不易,我们老师经常告诫学生客观题有自身特点,考试时切忌小题大做,作 In order to solve mathematics objective questions quickly and quasily, some questions can make full use of the known conditions, can assign special values ​​or take extreme cases (actually increase conditions) to quickly guess without violating the meaning of the questions. As a result, these questions are often very complex and difficult to answer directly from the front. Our teachers often warn students that objective questions have their own characteristics.