常见分母矩形图示

GeoGebra 命令及参数

1. Sequence(Segment[(0, i), (d_2, i)], i, 1, d_1) → list2
2. Sequence(Sequence[Polygon[(i - 1, j - 1), (i, j - 1), (i, j), (i - 1, j)], i, 1, n_2], j, 1, d_1) → list3
3. Sequence(Segment[(i, 0), (i, d_1)], i, 1, d_2) → list1
4. Sequence(Segment[(i, 0), (i, d_1)], i, 0, Max[d_2, n_2]) → list4
5. Sequence(Segment[(0, i), ((-Max[d_2, n_2]), i)], i, 0, Max[d_1, n_1]) → list5
6. Sequence(Sequence[Polygon[(1 - i, j - 1), ((-i), j - 1), ((-i), j), (1 - i, j)], j, 1, n_1], i, 1, d_2) → list6
7. Sequence(Segment[(0, i), ((-d_2), i)], i, 1, d_1) → list7
8. Sequence(Segment[((-i), 0), ((-i), d_1)], i, 1, d_2) → list8
9. Sequence(Sequence[Text[(i * j), ((-i) + 0.25, j - 0.75)], i, 1, d_2], j, 1, Max[d_1, n_1]) → list9
10. Sequence(Sequence[Text[(i * j), (j - 0.75, i - 0.75)], i, 1, d_1], j, 1, Max[d_2, n_2]) → list10
11. Segment(((-d_2) - 0.75, 0), ((-d_2) - 0.75, d_1)) → a
12. Segment(((-d_2) - 1.25, 0), ((-d_2) - 1.25, n_1)) → b
13. Text(n_1, ((-d_2) - 1.75, n_1 + 0.25)) → text3
14. Text(d_1, ((-d_2) - 0.75, d_1 + 0.25)) → text4
15. Segment((0, -0.75), (n_2, (-0.75))) → c
16. Segment((0, -1.25), (d_2, (-1.25))) → d
17. Text(n_2, (n_2 + 0.25, (-0.75))) → text5
18. Text(d_2, (d_2 + 0.25, (-1.5))) → text6
19. Text((d_1 * d_2), ((-d_2) + 0.25, d_1 - 0.75)) → text8
20. Text((n_1 * d_2), ((-d_2) + 0.25, n_1 - 0.75)) → text7
21. Text((n_2 * d_1), (n_2 - 0.75, d_1 - 0.75)) → text9
22. Text((d_2 * d_1), (d_2 - 0.75, d_1 - 0.75)) → text10