分数除法 by Morris M. Centeno
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这个范例演示了分数除法的过程。它涉及的核心数学概念是分数的除法。通过使用GeoGebra命令如Intersect、Point、Polygon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
Intersect(xAxis, yAxis) → UPoint(xAxis) → RPoint(yAxis) → TPolygon(U, R, S, T) → poly1, q, r, s, tPolygon(T, X1, X2, U) → poly2, t_1, f1, f2, q_1Segment(B2, B1) → fSegment(C2, C1) → gSegment(D2, D1) → hSegment(E2, E1) → iSegment(F2, F1) → jSegment(G2, G1) → kSegment(H2, H1) → lSegment(I2, I1) → mSegment(A2_1, A1_1) → nSegment(B1_1, B2_1) → pSegment(C2_1, C1_1) → a_1Segment(D2_1, D1_1) → b_1Segment(E2_1, E1_1) → c_1Segment(F2_1, F1_1) → d_1Segment(G2_1, G1_1) → e_1Segment(H2_1, H1_1) → f_1