“数学是自然的”。在人教版普通课程标准实验教科书的主编寄语中,很明确的说明,数学是自然的,“数学概念、方法、数学思想的起源与发展都是自然的。”那么,解决数学问题的方法自然也应当是“自然的”。数学高考题的第17题的位置常常是数列或解三角形的问题,难度并不大,对知识与能力的要求是掌握,但是当遇到解三角形与不等式相结合, “Mathematics is natural ”. It is quite clear from the editor’s note of the standard course textbook of the PEP that the mathematics is natural. “The origins and development of mathematical concepts, methods, and mathematical ideas are all natural.” Then, to solve the problem of mathematics The method should naturally be “natural ”. The location of the 17th math test question is often the problem of the number of columns or triangles, the difficulty is not large, the knowledge and ability requirements are mastered, but when faced with the solution triangle and inequality combination,