除法算法
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这个范例演示了除法算法的过程。它涉及除法和余数的概念。通过使用GeoGebra命令如Point, Segment, Polygon等,可以动态展示除法算法的步骤。适合初中及以上学生学习除法算法。
GeoGebra 命令及参数
Point(Circle[A, abs((a * q))]) → BSegment(A, B) → cPolygon(A + (abs(c), 0), A + (abs(c), 6), A + (0, 6), A) → poly1, d, e, f, nPolygon(C + (abs(r), 0), C + (abs(r), 6), C + (0, 6), C) → poly2, g, h, i, pPolygon(D + (abs(b), 0), D + (abs(b), 6), D + (0, 6), D) → poly3, j, k, l, mText(("a=" * a)) → text3Text(("b=" * b)) → text4Text(("q=" * q)) → text5Text(("r=" * r)) → text6Text("b", D + (abs(b) / 2, 2.4)) → text1Sequence(Text["a", A + (abs(a) / 2 + (abs(a) * p), 2.4)], p, 0, q - 1) → list2Sequence(Segment[A + ((i * abs(a)), 0), A + ((i * abs(a)), 6)], i, 1, q) → list1Text("r", A + ((q * abs(a)) + abs(r) / 2, 2.4)) → text2Midpoint(Midpoint[Corner[4], Midpoint[Corner[4], Midpoint[Corner[4], Corner[1]]]], Midpoint[Corner[4], Midpoint[Corner[4], Corner[1]]]) → OMidpoint(Midpoint[Corner[3], Midpoint[Corner[3], Midpoint[Corner[3], Corner[2]]]], Midpoint[Corner[3], Midpoint[Corner[3], Corner[2]]]) → P