利用基本三角恒等式、物理学中几何光学知识和几何画板软件等三种思维方法，来探讨一个最短时间问题的解法。
The author explores the solution to the best time problem according to three ways of thinking, including basic trigonometric identity, geometrical optics of physics and Geometer's Sketchpad.
几何画板是目前国内应用于数学探究式教学中的优秀软件平台。
The Study of Classroom Teaching and Learning of Mathematical Inquiring Teaching in Middle School Based on the Geometers Sketchpad;
几何画板是目前国内应用于数学探究式教学中的优秀软件平台。
The Study of Classroom Teaching and Learning of Mathematical Inquiring Teaching in Middle School Based on the Geometers Sketchpad;
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