除法关系工具
几何画板及绘图内容加载中,请稍等……
①本范例通过可视化方式演示被除数、除数与商之间的关系;②涉及的核心数学概念包括除法运算、分数表示、几何直观;③作图要点——使用了点、线段、垂线、交点、多边形、文本框、LaTeX等GeoGebra命令与对象;④适合初中及以上数学学习者,用于理解除法运算的几何意义和分数表示。
GeoGebra 命令及参数
Point(Circle[A, a]) → BSegment(A, B) → bOrthogonalLine(B, b) → cPoint(yAxis) → COrthogonalLine(C, yAxis) → dIntersect(c, d) → DPolygon(A, B, D, C) → poly1, a_1, b_1, d_1, c_1Point(Circle[A, e]) → ESegment(A, E) → fPoint(yAxis) → FOrthogonalLine(F, yAxis) → gOrthogonalLine(E, b) → hIntersect(g, h) → GPolygon(F, G, E, A) → poly2, f_1, g_1, e_1, a_2Textfield(a) → InputBox1Textfield(e) → InputBox2Textfield(i) → InputBox3Point(yAxis) → HPoint(yAxis) → KPolygon(H, I, J, K) → poly3, h_1, i_1, j_1, kPoint(h_1) → LPolygon(L, M, J, I) → poly4, l, m, j_2, i_2Point(yAxis) → OPolygon(K, J, N, O) → poly5, k_1, j_3, n, oPoint(n) → PPolygon(N, P, M, J) → poly6, n_1, p, m_1, j_4Segment(Q, R) → qSegment(S, T) → rLaTeX(A, true, true) → text16