五分钟计时器

GeoGebra 命令及参数

1. Random(0, 11) → A16
2. If(counterlevel < 6, (Random[0, 3] * 15), (Random[0, 11] * 5)) → B16
3. Circle(A, 0.05) → r6
4. Rotate(C, (-C17), A) → C'
5. Tangent(C', r6) → t7, t1
6. Intersect(r6, t7) → Z
7. Dilate(Z, 1.15, C') → F
8. Intersect(r6, t1) → X
9. Dilate(X, 1.15, C') → E
10. Circle(A, 0.15) → r7
11. Rotate(D, (-B17), A) → D'
12. Tangent(D', r7) → t3, t6
13. Intersect(r7, t3) → J
14. Dilate(J, 1.1, D') → M
15. Intersect(r7, t6) → H
16. Dilate(H, 1.1, D') → N
17. Circle(A, 5) → r1
18. Circle(A, 4.3) → r2
19. Polygon(F, E, C') → tg1, d10, d11, d13
20. Polygon(D', N, M) → tg2, d4, d6, d3
21. Circle(A, 0.2) → r8
22. Rotate(B, (-A17), A) → B'
23. Tangent(B', r8) → t8, t2
24. Intersect(r8, t8) → K
25. Intersect(r8, t2) → L
26. Dilate(K, 1.12, B') → G
27. Dilate(L, 1.12, B') → I
28. Polygon(I, G, B') → tg3, d7, d2, d1
29. Rotate(D, 30°, A) → DA
30. Rotate(DA, 30°, A) → DB
31. Rotate(DB, 30°, A) → DC
32. Rotate(DC, 30°, A) → DD
33. Rotate(DD, 30°, A) → DE
34. Rotate(DE, 30°, A) → DF
35. Rotate(DF, 30°, A) → DG
36. Rotate(DG, 30°, A) → DH
37. Rotate(DH, 30°, A) → DI
38. Rotate(DI, 30°, A) → DJ
39. Rotate(DJ, 30°, A) → DK
40. Circle(A, 5.1) → r3
41. Semicircle(I, G) → z1
42. Semicircle(I, G) → z2
43. Intersect(r3, r2) → O, , ,
44. Line(D, DF) → t4
45. Intersect(r3, t4) → P, Q
46. OrthogonalLine(Q, t4) → t5
47. Midpoint(T, R) → V
48. Midpoint(U, S) → W
49. Circle(V, R) → r4
50. Circle(W, S) → r5
51. Polygon(T, R, S, U) → tg4, d9, d5, d8, d12
52. Semicircle(T, R) → z3
53. Semicircle(S, U) → z4
54. If(A16 < 10, "0" + A16, "" + A16) → A18
55. If(B16 < 10, "0" + B16, "" + B16) → B18
56. If(C16 < 10, "0" + C16, "" + C16) → C18
57. Textfield(userinputhour) → InputBox1
58. Textfield(userinputminute) → InputBox2
59. If(useranswerhour ≟ A16, true, false) → answerhourcorrect
60. If(useranswerminute ≟ B16, true, false) → answerminutecorrect
61. Polygon(D', N, M) → tg2_{err}, m_1, d', n
62. Polygon(I, G, B') → tg3_{err}, b', i, g
63. If(answerhourcorrect, false, If[answerminutecorrect, false, true]) → answerbothwrong
64. Midpoint(A, D') → M_{AD'}
65. Rotate(M_{AD'}, -15°, A) → M_{D}
66. Ellipse(A, D', M_{D}) → d
67. Midpoint(A, B') → M_{AB'}
68. Rotate(M_{AB'}, -45°, A) → M_{B'}
69. Ellipse(A, B', M_{B'}) → e
70. Sequence(Rotate[D, (-6° * i), A], i, 1, 60) → Li2
71. Circle(Element[Li2, If[A16 ≟ 0, 60, (A16 * 5)]], 0.7) → f