相似长方形中的未知量：测验

GeoGebra 命令及参数

1. RandomElement(listR) → r
2. RandomElement(listK) → k
3. Polygon(A, A + (w, 0), A + (w, h), A + (0, h)) → q1, s1, s2, s3, s4
4. Polygon(B, B + ((k * w), 0), B + ((k * w), (k * h)), B + (0, (k * h))) → q2, s1', s2', s3', s4'
5. Midpoint(s4) → M_1
6. Midpoint(s1) → M_2
7. Midpoint(s4') → M_3
8. Midpoint(s1') → M_4
9. Random(1, 4) → qtype
10. RandomElement({"a", "b", "c", "h", "k", "m", "n", "p", "r", "s", "u", "v", "x", "y"}) → var
11. Textfield(input) → inputBox1
12. If(qtype ≟ 1, (r * w), qtype ≟ 2, w, qtype ≟ 3, (k * h), qtype ≟ 4, (k * w)) → ans
13. Sample(listColor, 2, false) → listColor2
14. If(qtype ≟ 1, textAns1, qtype ≟ 2, textAns2, qtype ≟ 3, textAns3, qtype ≟ 4, textAns4) → textAns