网格中风筝形（Deltoid）面积计算 - 级别1

GeoGebra 命令及参数

1. Join(Sequence[Shuffle[{2, 3, 4, 5}], m, 1, 30]) → listEH
2. Shuffle(Sequence[Random[7, coordheight - 2], m, 1, 100]) → randomNosForX, {10, 7, 9, 8, 8, 9, 8, 7, 9, 9, 7, 7, 9, 7, 9, 7, 9, 9, 8, 8, 10, 10, 8, 10, 10, 9, 8, 10, 7, 10, 7, 9, 8, 8, 7, 7, 7, 7, 9, 10, 7, 7, 8, 9, 8, 7, 10, 8, 7, 10, 10, 7, 10, 10, 9, 8, 9, 9, 10, 9, 9, 10, 10, 8, 7, 7, 9, 7, 7, 9, 10, 10, 9, 10, 7, 8, 10, 9, 10, 9, 9, 7, 10, 9, 7, 7, 9, 9, 9, 10, 8, 9, 10, 9, 9, 9, 9, 7, 8, 8}
3. Element(randomNosForX, Mod[questionCount, 100] + 1) → numX
4. Shuffle(Sequence[Random[4, coordwidth - 2], m, 1, 100]) → randomNosForY, {6, 9, 5, 8, 8, 7, 7, 6, 8, 6, 8, 7, 4, 8, 7, 5, 7, 4, 9, 10, 4, 9, 6, 6, 9, 10, 6, 9, 10, 9, 8, 7, 9, 9, 4, 5, 4, 9, 8, 6, 10, 8, 6, 6, 6, 4, 8, 5, 5, 4, 9, 10, 7, 5, 5, 10, 7, 6, 6, 9, 8, 7, 5, 8, 10, 9, 7, 7, 6, 7, 7, 6, 9, 6, 5, 9, 10, 8, 9, 6, 8, 9, 9, 8, 4, 9, 10, 5, 7, 8, 5, 4, 7, 7, 8, 8, 5, 5, 9, 4}
5. Element(randomNosForY, Mod[questionCount, 100] + 1) → numY
6. Segment(P1, P3) → es
7. Textfield(input1) → InputBox1
8. Textfield(input2) → InputBox2
9. Polygon(PtopLeftCornerFeedback, PtopRightCornerFeedback, PbottomRightCornerFeedback, PbottomLeftCornerFeedback) → rectangleCorrect, rectangleCorrectS3, rectangleCorrectS4, rectangleCorrectS2, rectangleCorrectS1
10. Append(true, Sequence[If[randomNosForX(i) ≟ randomNosForX(i - 1), false, true], i, 2, 100]) → stayX
11. Append(true, Sequence[If[randomNosForY(i) ≟ randomNosForY(i - 1), false, true], i, 2, 100]) → stayY
12. Remove(Sequence[If[stayX(i), randomNosForX(i), 0], i, 1, 100], Sequence[0, i, 1, 100]) → randomNosForXwithoutRepeat
13. Remove(Sequence[If[stayY(i), randomNosForY(i), 0], i, 1, 100], Sequence[0, i, 1, 100]) → randomNosForYwithoutRepeat
14. Element(randomNosForXwithoutRepeat, Mod[questionCount, Length[randomNosForXwithoutRepeat]] + 1) → numXwithoutRepeat
15. Element(randomNosForYwithoutRepeat, Mod[questionCount, Length[randomNosForYwithoutRepeat]] + 1) → numYwithoutRepeat
16. Flatten(Sequence[Sequence[O + (m * (size, 0)) + (j * (0, size)), m, 0, coordwidth - 1], j, 0, coordheight - 1]) → listPoints
17. Random(2, numX - 2) → prop
18. Segment(P4, P2) → fs
19. Segment(G1, G2) → g
20. Translate(Segment[(0, -0.1), (0, 0.1)], G1) → h
21. Translate(Segment[(0, -0.1), (0, 0.1)], G2) → i
22. Intersect(es, fs) → S
23. Textfield(input3) → InputBox3
24. Zip(Polygon[P, P + (0, size), P + (0, size) + (size, 0), P + (size, 0)], P, listPoints) → listCoords
25. Angle(P2, Midpoint[P2, P4], P1) → α