温度计模型探索负数

GeoGebra 命令及参数

1. Point(q) → T
2. Segment(A, C) → a
3. Segment(B, D) → b
4. Segment(B, A) → c
5. Segment(D, C) → d
6. Polygon(A, B, D, C) → poly1, a_1, b_1, d_1, c_1
7. Circle(F, 1) → f
8. Polygon(A, C, D, B) → poly2, a_2, c_2, d_2, b_2
9. Sequence((x(A), y(A) + (k * e)), k, 1, 17) → list1
10. Sequence((x(B), y(B) + (k * e)), k, 1, 17) → list3
11. Polygon((-1.5, -4.5), (-1.5, y(T)), (-2.5, y(T)), (-2.5, -4.5)) → poly3, g, i, j, k
12. Sequence(Text[k, (x(A) + 0.4, y(A) - 0.15 + ((k + 9) * e))], k, -9, 9) → list2
13. Sequence(Text[k, (x(B) - 0.6, y(B) - 0.15 + ((k + 9) * e))], k, -9, 9) → list4
14. Polygon((-1.5, -4.5), (-1.5, y(T)), (-2.5, y(T)), (-2.5, -4.5)) → poly4, h, l, m, n
15. Circle(F, 1) → p
16. Polygon(E, G, H, I) → poly5, e_1, g_1, h_1, i_1