近年来,在高考题中考查学生的排列、组合知识的掌握情况时,出现了以涂色问题为载体命题方式,有关的试题新颖有趣,其中包含着丰富的数学思想.解决涂色问题方法技巧性强且灵活多变,因而这类问题有利于培养学生的创新思维能力、分析问题与观察 In recent years, examinations in the college entrance examination examinations of students, the combination of knowledge to grasp the situation, there has been to paint the problem as a carrier proposition, the new test questions interesting, which contains a wealth of mathematical thinking. Strong and flexible, so these kinds of problems are conducive to cultivating students’ innovative thinking ability, analyzing problems and observing