一直以来,规律探索类的中考试题,在素材的选取、文字的表述、题型的设计等方面都别具一格,令人耳目一新,接下来笔者将从对知识与能力的考查入手,例举近年来中考数学中的规律探索型试题加以归类分析!一、考查数感和符号感例1已知C_3~2=(3×2)/(1×2)=3,C_5~3=(5×4×3)/(1×2×3)=10,C_6~4=(6×5×4×3)/(1×2×3×4)=15,……观察上面的计算过程,寻找规律 All along, regular exploration class test questions, in the selection of materials, the text of the statement, the title of the design and so unique, refreshing, then the author will start with the test of knowledge and ability to give examples of recent exams Mathematical rules to explore the type of test to be classified analysis! A test of the number of flu and sense of symbols Example 1 known C_3 ~ 2 = (3 × 2) / (1 × 2) = 3, C_5 ~ 3 = (5 × 4 × 3) / (1 × 2 × 3) = 10, C_6 ~ 4 = (6 × 5 × 4 × 3) / (1 × 2 × 3 × 4) = 15, ... Observe the above calculation and look for the law