严谨性是数学的独持之美,但具体问题只要稍有疏忽,便会导致教学上的失误.这种“严谨性缺失”的现象在数学参考书上也可发现.譬如在一本有关2016年高考试卷的参考书中,我们就可以从其中一道浙江省理科高考向量题的答案中发现这种“严谨性缺失”的现象.所以如果对参考答案有疑问或者有异议的时候,一定要究其根本,弄清楚问题的来龙去脉,从而增加和完善自身对所涉知识点严谨性的认识. Rigidity is the beauty of mathematics alone, but the slightest negligence of specific problems can lead to mistakes in teaching. Such phenomena of “lack of rigor” can also be found in mathematical reference books. For example, 2016 college entrance examination papers in the reference book, we can from one of Zhejiang province science college entrance examination vector questions found in the answer this “lack of rigor ”, so if there is any doubt or objection to the reference answer, It is imperative to study its fundamentals and clarify the ins and outs of the problems so as to increase and improve their own understanding of the rigor of the knowledge points involved.