推广型探索题通常给出一个很平凡的数学问题,让同学们去探索,然后归纳出一般性的结论,并加以推广和运用.这类题目的主要特点在于同学们能直接参与探索,亲自体验问题的情境,经历研究、解决问题的过程,具有很强的启迪性.现以2007年江西省的一道中考题为例予以分析,供大家学习过程中参考. Promotional exploration questions usually give a very ordinary mathematical problem, let the students to explore, and then generalize the general conclusions, and to promote and use. The main feature of such topics is that students can directly participate in the exploration, personal experience The situation of the problem, the process of experiencing research and solving the problem has a strong enlightenment. We will take the example of a middle school examination in Jiangxi Province in 2007 as an example for reference during the process of learning.