中考试卷中的规律探索题都有一定的难度,但因为有“规律”可循,所以只要我们掌握了相关的解题方法和技巧,就能在紧张的考试中从容地应对这类试题.下面结合例题讲解巧用“余数”规律求解的一类试题的一般解法,希望能对同学们的复习有所帮助. The law exploration questions in the middle examination papers have a certain degree of difficulty, but because there are “laws” to follow, so long as we have mastered the relevant problem-solving methods and techniques, we can comfortably deal with such questions in a stressful examination. The following examples illustrate the general solution of a class of questions using the “remainder” rule, hoping to help the review of the classmates.