混合运算挑战 (1-9数字)
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①本范例演示了包含加减乘除的混合运算,通过GeoGebra动态展示运算过程与结果;②涉及核心数学概念:四则运算、数值计算、代数表达;③作图要点:使用Polygon、Segment、Point等命令构建几何图形,结合f, g, h等函数对象进行数值运算;④适合初中及以上学生,用于提升运算能力与函数理解。
GeoGebra 命令及参数
Polygon(A, B, 4) → poly1, f, g, h, i, S, TPolygon(C, D, 4) → poly2, j, k, l, m, U, VPolygon(E, F, 4) → poly3, n, p, q, r, W, ZPolygon(G, H, 4) → poly4, s, t, a, b, A_1, B_1Polygon(J, I, 4) → poly5, c, d, e, f_1, C_1, D_1Polygon(K, L, 4) → poly6, g_1, h_1, i_1, j_1, E_1, F_1Polygon(M, N, 4) → poly7, k_1, l_1, m_1, n_1, G_1, H_1Polygon(O, P, 4) → poly8, p_1, q_1, r_1, s_1, I_1, J_1Polygon(R, Q, 4) → poly9, t_1, a_1, b_1, c_1, K_1, L_1Segment(N_1, M_1) → d_1Segment(O_1, P_1) → e_1Point(Circle[Q_1, 1]) → R_1