网格中平行四边形的面积计算（进阶）

GeoGebra 命令及参数

1. Shuffle(Sequence[Random[7, coordheight - 2], m, 1, 100]) → randomNosForX, {7, 8, 8, 8, 8, 10, 7, 8, 8, 9, 7, 8, 7, 10, 8, 7, 7, 7, 10, 7, 7, 7, 10, 7, 7, 8, 7, 7, 7, 8, 7, 7, 7, 10, 10, 9, 10, 10, 10, 9, 8, 8, 8, 9, 8, 7, 8, 8, 9, 9, 7, 7, 9, 7, 7, 9, 8, 8, 9, 8, 7, 9, 7, 7, 9, 10, 9, 7, 8, 9, 8, 7, 9, 8, 9, 7, 10, 10, 9, 7, 7, 7, 7, 9, 10, 7, 9, 9, 8, 9, 8, 10, 9, 8, 9, 7, 7, 9, 9, 8}
2. Element(randomNosForX, Mod[questionCount, 100] + 1) → numX
3. Shuffle(Sequence[Random[4, coordwidth - 2], m, 1, 100]) → randomNosForY, {7, 10, 7, 9, 6, 8, 7, 9, 4, 10, 9, 4, 8, 4, 6, 10, 10, 7, 7, 6, 8, 5, 9, 9, 9, 9, 6, 9, 6, 8, 9, 5, 10, 9, 8, 10, 8, 4, 9, 7, 10, 6, 7, 7, 6, 8, 5, 4, 10, 10, 9, 10, 9, 6, 10, 8, 7, 7, 5, 10, 6, 8, 6, 7, 4, 7, 5, 6, 4, 6, 8, 9, 4, 6, 9, 10, 5, 8, 10, 4, 10, 6, 5, 6, 10, 10, 8, 6, 10, 8, 4, 6, 7, 5, 10, 7, 8, 7, 6, 10}
4. Element(randomNosForY, Mod[questionCount, 100] + 1) → numY
5. Textfield(input1) → InputBox1
6. Textfield(input2) → InputBox2
7. Shuffle(Sequence[i, i, 6, 12] \ {axold}) → AxList, {12, 10, 9, 11, 8, 6, 7}
8. Shuffle(Sequence[i, i, 1, 12] \ {ax - 2, ax - 1, ax, ax + 1, ax + 2}) → CxList, {1, 8, 4, 7, 6, 9, 2, 5, 3}
9. Shuffle(Sequence[i, i, 2, abs(cx - ax)] \ {abs(cx - ax)}) → LaengeaList, {8, 3, 7, 5, 2, 6, 4, 9, 10}
10. Shuffle(Sequence[i, i, 1, 9] \ {ayold}) → AyList, {9, 4, 2, 7, 6, 8, 3, 1, 5}
11. Shuffle(Sequence[i, i, 1, 12] \ {ay - 2, ay - 1, ay, ay + 1, ay + 2}) → CyList, {6, 1, 12, 3, 2, 5, 4}
12. If(cx < ax, C + (size * (laengea, 0)), C - (size * (laengea, 0))) → B
13. If(cx < ax, A - (size * (laengea, 0)), A + (size * (laengea, 0))) → D
14. Polygon(C, B, A, D) → v2, j, k, l, m
15. OrthogonalLine(D, l) → n
16. Intersect(n, Line[C, B]) → E
17. Segment(D, E) → p
18. Shuffle({0.5, 1.5, 2, 3}) → EinheitsLList, {0.5, 2, 1.5, 3}
19. Polygon(PtopLeftCornerFeedback, PtopRightCornerFeedback, PbottomRightCornerFeedback, PbottomLeftCornerFeedback) → rectangleCorrect, rectangleCorrectS3, rectangleCorrectS4, rectangleCorrectS2, rectangleCorrectS1
20. Append(true, Sequence[If[randomNosForX(i) ≟ randomNosForX(i - 1), false, true], i, 2, 100]) → stayX
21. Append(true, Sequence[If[randomNosForY(i) ≟ randomNosForY(i - 1), false, true], i, 2, 100]) → stayY
22. Remove(Sequence[If[stayX(i), randomNosForX(i), 0], i, 1, 100], Sequence[0, i, 1, 100]) → randomNosForXwithoutRepeat
23. Remove(Sequence[If[stayY(i), randomNosForY(i), 0], i, 1, 100], Sequence[0, i, 1, 100]) → randomNosForYwithoutRepeat
24. Element(randomNosForXwithoutRepeat, Mod[questionCount, Length[randomNosForXwithoutRepeat]] + 1) → numXwithoutRepeat
25. Element(randomNosForYwithoutRepeat, Mod[questionCount, Length[randomNosForYwithoutRepeat]] + 1) → numYwithoutRepeat
26. Defined(input3) → fixed
27. Flatten(Sequence[Sequence[O + (m * (size, 0)) + (j * (0, size)), m, 0, coordwidth - 1], j, 0, coordheight - 1]) → listPoints
28. Zip(Polygon[P, P + (0, size), P + (0, size) + (size, 0), P + (size, 0)], P, listPoints) → listCoords
29. Segment(P1, P3) → es
30. Random(2, numX - 2) → prop
31. Segment(P4, P2) → fs
32. Segment(G1, G2) → g
33. Translate(Segment[(0, -0.1), (0, 0.1)], G1) → h
34. Translate(Segment[(0, -0.1), (0, 0.1)], G2) → i
35. Intersect(es, fs) → S
36. Textfield(input3) → InputBox3
37. Shuffle({1, 2}) → ModusList, {2, 1}
38. If(y(C) < y(D), Midpoint[C, B], Midpoint[D, A]) → MittelpunktUnten
39. If(x(A) > x(D), Midpoint[A, B], Midpoint[D, C]) → MittelpunktRechts
40. Midpoint(D, B) → M
41. Text(BeschTextb, F, false, true, 0, 0) → Text3
42. Text(BeschTexta, G, false, true, 0, 0) → Text4
43. If(x(E) > x(B) ∧ y(B) > y(A) ∨ x(B) < x(E) ∧ y(B) < y(A), Midpoint[p] - (0.2, 0), Midpoint[p] + (0.2, 0)) → H
44. Text(BeschTexth, H, false, true, 0, 0) → Text8
45. Segment(C, E) → hintCE
46. Segment(B, E) → hintBE
47. Angle(A, D, E) → α
48. Angle(C, E, D) → β
49. Angle(D, E, C) → γ
50. Angle(E, D, A) → δ
51. Distance(H, F) → diff
52. If(x(A) < x(D), Midpoint[A, B], Midpoint[D, C]) → MittelpunktLinks
53. Text(BeschTextb, I, false, true, 0, 0) → Text16