分数除法 by Daniel Mentrard
几何画板及绘图内容加载中,请稍等……
这个范例演示了分数除法的过程。它涉及的核心数学概念包括分数和除法。通过使用GeoGebra命令如Vector、LCM、DivPoint等,可以构造出分数除法的几何模型。适合小学高年级或初中学生学习分数除法的概念和操作。
GeoGebra 命令及参数
Vector(A, U) → v_1LCM(b, d) → oDivPoint(A, D, o) → list7DivPoint(B, C, o) → list8Polygon(A, Element[list7, t], Element[list8, t], B) → poly5, q, r, f_1, g_1Polygon(E, F, G, H) → poly2, e, f_2, g, hSegment(I, J) → iSegment(K, L) → jTextfield(a) → InputBox1Textfield(b) → InputBox2Textfield(c) → InputBox3Textfield(d) → InputBox4Polygon(A, D, C, B) → poly1, a_1, d_1, c_1, b_1DivPoint(A, D, b) → list1DivPoint(B, C, b) → list2DivPoint(E, F, d) → list3DivPoint(H, G, d) → list4Sequence(Segment[Element[list1, i], Element[list2, i]], i, 1, b) → list5, {2, 2, 2, NaN}Sequence(Segment[Element[list3, i], Element[list4, i]], i, 1, d) → list6, {2, 2, 2, 2, 2, 2, NaN}Polygon(A, Element[list1, a], Element[list2, a], B) → poly3, a_2, k, l, b_2Polygon(E, Element[list3, c], Element[list4, c], H) → poly4, e_1, m, n, h_1DivPoint(E, F, o) → list9DivPoint(H, G, o) → list10Sequence(Segment[Element[list7, i], Element[list8, i]], i, 1, o) → list11, {2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004, 2, 2, 2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004, 2, 2, 2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004, 2, 2, 2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004, 2, NaN}Sequence(Segment[Element[list9, i], Element[list10, i]], i, 1, o) → list12, {2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, NaN}Sequence(Polygon[Element[list7, (t * i)], Element[list7, (t * (i + 1))], Element[list8, (t * (i + 1))], Element[list8, (t * i)]], i, 1, p - 1) → list13, {}Segment(M, N) → fSegment(O, P) → i_1Point(e_1) → VVector(V, U) → u_1Translate(poly5, v_1) → poly4'Translate(poly3, v_1) → poly3'Sequence(Translate[Element[list11, i], v_1], i, 0, t) → liste1, {NaN, 2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004, 2, 2, 2, 1.9999999999999996, 1.9999999999999996, 2.0000000000000004, 2.0000000000000004}Translate(k, v_1) → k'Translate(a_2, v_1) → j_1Translate(B, v_1) → B'Translate(A, v_1) → A'Segment(B', A') → k_1Translate(l, v_1) → l'Translate(e_1, u_1) → l_1Translate(H, u_1) → H'Translate(m, u_1) → m'Translate(n, u_1) → n'Midpoint(j_1) → WMidpoint(n') → ZMidpoint(m') → A_1
AI 绘图提示语参考
画一个几何图形来演示分数除法的过程,包含两个三角形和一个四边形,通过向量、最小公倍数和分割点来构建模型,展示分数除法的几何意义,适合中学生学习。
以上提示语为根据原始绘图命令整理而来,仅供参考。