积极 AI Logo 积极 AI

数轴上的整数加减

数轴上的整数加减
几何画板及绘图内容加载中，请稍等……
2017-10-16 11:27
向量函数解析几何
该范例演示了数轴上整数的加减法。核心数学概念包括整数的加减运算。通过使用GeoGebra命令如Segment, Line, Circle, Intersect等，可以直观地展示加减法的过程。适合小学高年级及初中学生学习。

GeoGebra 命令及参数

  1. Segment(A, B) → a
  2. Segment(B, C) → b
  3. Segment(C, D) → c
  4. Segment(D, A) → d
  5. Line(E, xAxis) → f
  6. Circle(E, e) → h
  7. Circle(E, (-e)) → g
  8. Intersect(h, f) → F, G
  9. Vector(E, G) → u
  10. Intersect(g, f) → H, I
  11. Vector(E, H) → v
  12. OrthogonalLine(G, xAxis) → i
  13. OrthogonalLine(H, xAxis) → j
  14. Point(i) → J
  15. Circle(J, k) → p
  16. Circle(J, (-k)) → q
  17. Line(J, xAxis) → l
  18. Intersect(p, l) → L, M
  19. Intersect(q, l) → N, O
  20. Vector(J, M) → w
  21. Vector(J, N) → m
  22. OrthogonalLine(M, xAxis) → f_1
  23. OrthogonalLine(N, xAxis) → g_1
  24. OrthogonalLine(E, xAxis) → j_1
  25. Intersect(j_1, xAxis) → T
  26. Ray(T, E) → k_1
  27. Circle(H, 1) → r
  28. Intersect(r, j) → K, P
  29. Line(P, xAxis) → n
  30. Circle(P, k) → s
  31. Circle(P, (-k)) → t
  32. Intersect(s, n) → Q, R
  33. Vector(P, R) → u_1
  34. Intersect(t, n) → S, U
  35. Vector(P, S) → v_1
  36. OrthogonalLine(R, xAxis) → h_1
  37. OrthogonalLine(S, xAxis) → i_1