3-3行走指令

3-3行走指令
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2015-11-23 10:55
①本范例演示了使用 GeoGebra 构建与操作三角形、积分、切线函数及饼图等数学元素的过程;②涉及核心概念包括:等腰三角形、定积分、切线函数、圆及微积分;③作图要点:运用了 Random, Slope, Segment, Textfield, Line, Point, LineBisector, Circle, Mirror 等命令及对象;④适合高中及以上数学学习者和教师用于教学演示与探索。

GeoGebra 命令及参数

  1. Random(0, 4) → y4
  2. Random(0, 4) → y3
  3. Slope(Line[C, D]) → c
  4. Random(0, 4) → y2
  5. Slope(Line[B, C]) → b
  6. Random(0, 4) → y1
  7. Slope(Line[A, B]) → a
  8. Segment(A, B) → d
  9. Segment(B, C) → e
  10. Segment(C, D) → f
  11. Textfield(Rate_1) → InputBox3
  12. Textfield(Rate_2) → InputBox6
  13. Textfield(Rate_3) → InputBox9
  14. Line(A, B) → l
  15. Line(B, C) → n
  16. Line(C, D) → q
  17. Textfield(meter1') → InputBox1
  18. Textfield(meter2') → InputBox2
  19. Textfield(meter3') → InputBox4
  20. Textfield(seconds1') → InputBox5
  21. Textfield(seconds2') → InputBox7
  22. Textfield(meter3') → InputBox8
  23. Point(Circle[L, 0.4]) → E
  24. Segment(L, E) → g
  25. LineBisector(g) → h
  26. Point(h) → F
  27. Point(h) → G
  28. Point(h) → H
  29. Circle(H, G) → k
  30. Segment(G, F) → m
  31. Segment(L, F) → p
  32. Segment(E, F) → s
  33. Point(Circle[G, 0.3]) → I
  34. Segment(G, I) → i
  35. Mirror(I, h) → I'
  36. Segment(G, I') → j
  37. Textfield(seconds3') → InputBox10
  38. Textfield(StartValue) → InputBox11
  39. Textfield(StopValue) → InputBox12