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球与空间几何体,在新课程标准下是一个由直观感知到操作确认最后推理计算的问题,但是在新课标高考数学试卷中又以小题的形式多有涉及,而研究新课标高考试题,不难发现只有充分感知体验球与空间几何体的关系,才能有较深刻的理性认识,构造或变形解决有关问题.下面笔者就球与空间几何体问题的解决过程给以解析,供同学们参考.
Ball and space geometry, in the new curriculum standard is a visual recognition of the operation to confirm the final reasoning calculation problem, but in the new curriculum standard college entrance examination mathematics papers and in the form of small topics are more involved, and the new curriculum standard entrance exam questions , It is not difficult to find that only by fully understanding the relationship between the experience ball and the space geometry can we have a deeper understanding of the rational structure or deformation to solve the problem.The following author on the ball and the space geometry to solve the process of solving the problem for the students reference.