分数比较 by Gareth Daniels

GeoGebra 命令及参数

1. Sequence((sqrt(2) * cos(i * 360 * ° / den1) + x(B), sqrt(2) * sin(i * 360 * ° / den1) + y(B)), i, 1, den1) → leftpts
2. Sequence((sqrt(2) * cos(i * 360 * ° / den2) + x(A), sqrt(2) * sin(i * 360 * ° / den2) + y(A)), i, 1, den2) → rightpts
3. Sequence(Segment[B, Element[leftpts, i]], i, 1, den1) → segleft
4. Sequence(Segment[A, Element[rightpts, i]], i, 1, den2) → segright
5. CircleSector(B, Element[leftpts, den1], Element[leftpts, num1]) → e
6. CircleSector(A, Element[rightpts, den2], Element[rightpts, num2]) → f
7. Segment(D, C) → a
8. Vector(F, E) → u
9. Vector(G, H) → v
10. Sequence((-5 + i * 10 / den1, 0), i, 0, den1) → list1
11. Sequence((-5 + i * 10 / den1, 1.3), i, 0, den1) → list2
12. Sequence(Segment[Element[list1, i], Element[list2, i]], i, 1, den1 + 1) → list3
13. Sequence((-5 + i * 10 / den2, 0), i, 0, den2) → list4
14. Sequence((-5 + i * 10 / den2, -1.3), i, 0, den2) → list5
15. Sequence(Segment[Element[list4, i], Element[list5, i]], i, 0, den2 + 1) → list6
16. LCM(den1, den2) → b
17. Sequence((-5 + i * 10 / b, 0), i, 0, b) → list7