{"id":145,"date":"2025-10-10T09:03:00","date_gmt":"2025-10-10T01:03:00","guid":{"rendered":"http:\/\/www.pyteam.cn\/?p=145"},"modified":"2025-10-10T10:20:31","modified_gmt":"2025-10-10T02:20:31","slug":"%e6%95%99%e6%a1%88%ef%bc%9a%e4%ba%8c%e5%85%83%e4%b8%80%e6%ac%a1%e6%96%b9%e7%a8%8b%e7%bb%84%e6%b1%82%e8%a7%a3%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.pyteam.cn\/index.php\/2025\/10\/10\/%e6%95%99%e6%a1%88%ef%bc%9a%e4%ba%8c%e5%85%83%e4%b8%80%e6%ac%a1%e6%96%b9%e7%a8%8b%e7%bb%84%e6%b1%82%e8%a7%a3%e5%99%a8\/","title":{"rendered":"\u6559\u6848\uff1a\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668"},"content":{"rendered":"\n

\u6559\u6848\u57fa\u672c\u4fe1\u606f<\/strong><\/p>\n\n\n\n

\u8bfe\u7a0b\u540d\u79f0<\/strong>\uff1aPython\u7f16\u7a0b\u7b2c\u5341\u4e09\u8bfe \u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668
\u6388\u8bfe\u5bf9\u8c61<\/strong>\uff1a\u6709\u4e00\u5b9aPython\u57fa\u7840\u7684\u5b66\u751f\uff08\u5df2\u638c\u63e1\u57fa\u7840Turtle\u7ed8\u56fe\u3001\u5faa\u73af\uff09
\u8bfe\u65f6\u5b89\u6392<\/strong>\uff1a90\u5206\u949f
\u6559\u5b66\u5f62\u5f0f<\/strong>\uff1a\u7406\u8bba\u8bb2\u89e3 + \u7b97\u6cd5\u63a8\u5bfc + \u7f16\u7a0b\u5b9e\u8df5<\/p>\n\n\n\n

\u4e00\u3001\u6559\u5b66\u76ee\u6807<\/strong><\/p>\n\n\n\n

\u77e5\u8bc6\u4e0e\u6280\u80fd<\/strong><\/p>\n\n\n\n

    \n
  1. \u7406\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u7684\u6570\u5b66\u539f\u7406<\/li>\n\n\n\n
  2. \u638c\u63e1\u514b\u83b1\u59c6\u6cd5\u5219\uff08Cramer’s Rule\uff09\u6c42\u89e3\u65b9\u6cd5<\/li>\n\n\n\n
  3. \u80fd\u591f\u7528Python\u5b9e\u73b0\u65b9\u7a0b\u7ec4\u6c42\u89e3\u7a0b\u5e8f<\/li>\n\n\n\n
  4. \u5b66\u4f1a\u5904\u7406\u6570\u503c\u8ba1\u7b97\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5<\/li>\n<\/ol>\n\n\n\n

    \u8fc7\u7a0b\u4e0e\u65b9\u6cd5<\/strong><\/p>\n\n\n\n

      \n
    1. \u4ece\u6570\u5b66\u516c\u5f0f\u5230\u4ee3\u7801\u5b9e\u73b0\u7684\u8f6c\u5316\u8fc7\u7a0b<\/li>\n\n\n\n
    2. \u8c03\u8bd5\u548c\u9a8c\u8bc1\u7a0b\u5e8f\u6b63\u786e\u6027\u7684\u65b9\u6cd5<\/li>\n<\/ol>\n\n\n\n

      \u60c5\u611f\u6001\u5ea6\u4e0e\u4ef7\u503c\u89c2<\/strong><\/p>\n\n\n\n

        \n
      1. \u57f9\u517b\u6570\u5b66\u601d\u7ef4\u4e0e\u7f16\u7a0b\u7ed3\u5408\u7684\u80fd\u529b<\/li>\n\n\n\n
      2. \u589e\u5f3a\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u7684\u4fe1\u5fc3<\/li>\n<\/ol>\n\n\n\n

        \u4e8c\u3001\u6559\u5b66\u91cd\u70b9\u4e0e\u96be\u70b9<\/strong><\/p>\n\n\n\n

        \u91cd\u70b9<\/strong>\uff1a<\/p>\n\n\n\n

          \n
        1. \u514b\u83b1\u59c6\u6cd5\u5219\u7684\u7406\u89e3\u4e0e\u5e94\u7528<\/li>\n\n\n\n
        2. Python\u7a0b\u5e8f\u7684\u903b\u8f91\u7ed3\u6784<\/li>\n<\/ol>\n\n\n\n

          \u96be\u70b9<\/strong>\uff1a<\/p>\n\n\n\n

            \n
          1. \u884c\u5217\u5f0f\u7684\u8ba1\u7b97\u6982\u5ff5<\/li>\n\n\n\n
          2. \u9664\u96f6\u5f02\u5e38\u7684\u5904\u7406<\/li>\n<\/ol>\n\n\n\n

            \u4e09\u3001\u6559\u5b66\u51c6\u5907<\/strong><\/p>\n\n\n\n

              \n
            1. Python\u7f16\u7a0b\u73af\u5883<\/li>\n\n\n\n
            2. \u6295\u5f71\u8bbe\u5907\u5c55\u793a\u4ee3\u7801<\/li>\n\n\n\n
            3. \u793a\u4f8b\u65b9\u7a0b\u7ec4\u7ec3\u4e60\u9898<\/li>\n\n\n\n
            4. \u8ba1\u7b97\u5668\uff08\u7528\u4e8e\u9a8c\u8bc1\u7ed3\u679c\uff09<\/li>\n<\/ol>\n\n\n\n

              \u56db\u3001\u6559\u5b66\u8fc7\u7a0b<\/strong><\/p>\n\n\n\n

                \n
              • \u8bfe\u7a0b\u5bfc\u5165\uff085\u5206\u949f\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n

                \u60c5\u666f\u521b\u8bbe<\/strong>\uff1a
                “\u540c\u5b66\u4eec\uff0c\u5728\u6570\u5b66\u8bfe\u4e0a\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u8fd9\u6837\u7684\u95ee\u9898\uff1a\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u3002\u4eca\u5929\u6211\u4eec\u8981\u7528Python\u7f16\u5199\u4e00\u4e2a\u667a\u80fd\u6c42\u89e3\u5668\uff0c\u8ba9\u5b83\u5e2e\u6211\u4eec\u5feb\u901f\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\uff01”<\/p>\n\n\n\n

                \u5b9e\u9645\u95ee\u9898\u5f15\u5bfc<\/strong>\uff1a<\/p>\n\n\n\n

                python<\/p>\n\n\n\n

                # <\/em>\u5b9e\u9645\u95ee\u9898\u793a\u4f8b<\/em><\/p>\n\n\n\n

                # <\/em>\u5c0f\u660e\u4e70\u82f9\u679c\u548c\u68a8\uff1a3x + 2y = 18, 2x + y = 11<\/em><\/p>\n\n\n\n

                # <\/em>\u6c42\u82f9\u679c(x)\u548c\u68a8(y)\u7684\u5355\u4ef7\u5404\u662f\u591a\u5c11\uff1f<\/em><\/p>\n\n\n\n

                  \n
                • \u6570\u5b66\u539f\u7406\u8bb2\u89e3\uff0810\u5206\u949f\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n

                  1. <\/strong>\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u7684\u4e00\u822c\u5f62\u5f0f<\/strong><\/p>\n\n\n\n

                  text<\/p>\n\n\n\n

                  \u65b9\u7a0b\u7ec4\uff1a<\/p>\n\n\n\n

                  a\u2081x + b\u2081y = c\u2081<\/p>\n\n\n\n

                  a\u2082x + b\u2082y = c\u2082<\/p>\n\n\n\n

                  \u5176\u4e2d\uff1aa\u2081, b\u2081, c\u2081, a\u2082, b\u2082, c\u2082 \u4e3a\u5df2\u77e5\u7cfb\u6570<\/p>\n\n\n\n

                  2. <\/strong>\u514b\u83b1\u59c6\u6cd5\u5219\u6c42\u89e3\u516c\u5f0f<\/strong><\/p>\n\n\n\n

                  python<\/p>\n\n\n\n

                  # <\/em>\u7cfb\u6570\u884c\u5217\u5f0f<\/em><\/p>\n\n\n\n

                  D = a\u2081 * b\u2082 – a\u2082 * b\u2081<\/p>\n\n\n\n

                  # x<\/em>\u7684\u89e3<\/em><\/p>\n\n\n\n

                  Dx = c\u2081 * b\u2082 – c\u2082 * b\u2081<\/p>\n\n\n\n

                  x = Dx \/ D<\/p>\n\n\n\n

                  # y<\/em>\u7684\u89e3 <\/em><\/p>\n\n\n\n

                  Dy = a\u2081 * c\u2082 – a\u2082 * c\u2081<\/p>\n\n\n\n

                  y = Dy \/ D<\/p>\n\n\n\n

                  3. <\/strong>\u89e3\u7684\u4e09\u79cd\u60c5\u51b5<\/strong><\/p>\n\n\n\n

                  \u6709\u552f\u4e00\u89e3<\/strong>\uff1a\u5f53 D \u2260 0 \u65f6<\/p>\n\n\n\n

                  \u65e0\u89e3<\/strong>\uff1a\u5f53 D = 0 \u4f46 Dx \u2260 0 \u6216 Dy \u2260 0 \u65f6<\/p>\n\n\n\n

                  \u65e0\u7a77\u591a\u89e3<\/strong>\uff1a\u5f53 D = 0 \u4e14 Dx = 0 \u4e14 Dy = 0 \u65f6<\/p>\n\n\n\n

                    \n
                  • \u7a0b\u5e8f\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff0830\u5206\u949f\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n

                    1. <\/strong>\u57fa\u7840\u7248\u672c\uff1a\u76f4\u63a5\u516c\u5f0f\u6c42\u89e3<\/strong><\/p>\n\n\n\n

                    python<\/p>\n\n\n\n

                    def solve_linear_equation(a1, b1, c1, a2, b2, c2):<\/p>\n\n\n\n

                        “””<\/p>\n\n\n\n

                        \u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4<\/p>\n\n\n\n

                        a1*x + b1*y = c1<\/p>\n\n\n\n

                        a2*x + b2*y = c2<\/p>\n\n\n\n

                        “””<\/p>\n\n\n\n

                        # <\/em>\u8ba1\u7b97\u884c\u5217\u5f0f<\/em><\/p>\n\n\n\n

                        D = a1 * b2 – a2 * b1<\/p>\n\n\n\n

                        Dx = c1 * b2 – c2 * b1<\/p>\n\n\n\n

                        Dy = a1 * c2 – a2 * c1<\/p>\n\n\n\n

                        # <\/em>\u5224\u65ad\u89e3\u7684\u60c5\u51b5<\/em><\/p>\n\n\n\n

                        if D != 0:<\/p>\n\n\n\n

                            x = Dx \/ D<\/p>\n\n\n\n

                            y = Dy \/ D<\/p>\n\n\n\n

                            return f”\u65b9\u7a0b\u7ec4\u6709\u552f\u4e00\u89e3\uff1ax = {x:.2f}, y = {y:.2f}”<\/p>\n\n\n\n

                        elif Dx != 0 or Dy != 0:<\/p>\n\n\n\n

                            return “\u65b9\u7a0b\u7ec4\u65e0\u89e3”<\/p>\n\n\n\n

                        else:<\/p>\n\n\n\n

                            return “\u65b9\u7a0b\u7ec4\u6709\u65e0\u7a77\u591a\u89e3”<\/p>\n\n\n\n

                    # <\/em>\u6d4b\u8bd5\u793a\u4f8b<\/em><\/p>\n\n\n\n

                    print(solve_linear_equation(3, 2, 18, 2, 1, 11))<\/p>\n\n\n\n

                    2. <\/strong>\u5b8c\u6574\u7248\u672c\uff1a\u7528\u6237\u4ea4\u4e92\u5f0f\u7a0b\u5e8f<\/strong><\/p>\n\n\n\n

                    python<\/p>\n\n\n\n

                    def binary_equation_solver():<\/p>\n\n\n\n

                        “””\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668”””<\/p>\n\n\n\n

                        print(“=== \u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668 ===”)<\/p>\n\n\n\n

                        print(“\u8bf7\u8f93\u5165\u65b9\u7a0b\u7ec4\u7cfb\u6570\uff1a”)<\/p>\n\n\n\n

                        print(“\u65b9\u7a0b1: a1*x + b1*y = c1”)<\/p>\n\n\n\n

                        try:<\/p>\n\n\n\n

                            # <\/em>\u8f93\u5165\u7cfb\u6570<\/em><\/p>\n\n\n\n

                            a1 = float(input(“\u8bf7\u8f93\u5165a1: “))<\/p>\n\n\n\n

                            b1 = float(input(“\u8bf7\u8f93\u5165b1: “))<\/p>\n\n\n\n

                            c1 = float(input(“\u8bf7\u8f93\u5165c1: “))<\/p>\n\n\n\n

                            print(“\\n\u65b9\u7a0b2: a2*x + b2*y = c2”)<\/p>\n\n\n\n

                            a2 = float(input(“\u8bf7\u8f93\u5165a2: “))<\/p>\n\n\n\n

                            b2 = float(input(“\u8bf7\u8f93\u5165b2: “))<\/p>\n\n\n\n

                            c2 = float(input(“\u8bf7\u8f93\u5165c2: “))<\/p>\n\n\n\n

                            # <\/em>\u663e\u793a\u8f93\u5165\u7684\u65b9\u7a0b\u7ec4<\/em><\/p>\n\n\n\n

                            print(f”\\n\u8f93\u5165\u7684\u65b9\u7a0b\u7ec4\u4e3a\uff1a”)<\/p>\n\n\n\n

                            print(f”{a1}x + {b1}y = {c1}”)<\/p>\n\n\n\n

                            print(f”{a2}x + {b2}y = {c2}”)<\/p>\n\n\n\n

                            # <\/em>\u8ba1\u7b97\u884c\u5217\u5f0f<\/em><\/p>\n\n\n\n

                            D = a1 * b2 – a2 * b1<\/p>\n\n\n\n

                            Dx = c1 * b2 – c2 * b1<\/p>\n\n\n\n

                            Dy = a1 * c2 – a2 * c1<\/p>\n\n\n\n

                            # <\/em>\u5224\u65ad\u89e3\u7684\u60c5\u51b5<\/em><\/p>\n\n\n\n

                            if abs(D) > 1e-10:  # <\/em>\u907f\u514d\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898<\/em><\/p>\n\n\n\n

                                x = Dx \/ D<\/p>\n\n\n\n

                                y = Dy \/ D<\/p>\n\n\n\n

                                print(f”\\n\u2705 \u65b9\u7a0b\u7ec4\u6709\u552f\u4e00\u89e3\uff1a”)<\/p>\n\n\n\n

                                print(f”x = {x:.4f}”)<\/p>\n\n\n\n

                                print(f”y = {y:.4f}”)<\/p>\n\n\n\n

                                # <\/em>\u9a8c\u8bc1\u89e3<\/em><\/p>\n\n\n\n

                                print(f”\\n\ud83d\udd0d \u9a8c\u8bc1\u7ed3\u679c\uff1a”)<\/p>\n\n\n\n

                                print(f”\u65b9\u7a0b1: {a1}*{x:.4f} + {b1}*{y:.4f} = {a1*x + b1*y:.4f} (\u5e94\u4e3a{c1})”)<\/p>\n\n\n\n

                                print(f”\u65b9\u7a0b2: {a2}*{x:.4f} + {b2}*{y:.4f} = {a2*x + b2*y:.4f} (\u5e94\u4e3a{c2})”)<\/p>\n\n\n\n

                            elif abs(Dx) > 1e-10 or abs(Dy) > 1e-10:<\/p>\n\n\n\n

                                print(“\\n\u274c \u65b9\u7a0b\u7ec4\u65e0\u89e3”)<\/p>\n\n\n\n

                            else:<\/p>\n\n\n\n

                                print(“\\n\u26a0\ufe0f \u65b9\u7a0b\u7ec4\u6709\u65e0\u7a77\u591a\u89e3”)<\/p>\n\n\n\n

                        except ValueError:<\/p>\n\n\n\n

                            print(“\u274c \u8f93\u5165\u9519\u8bef\uff0c\u8bf7\u786e\u4fdd\u8f93\u5165\u7684\u662f\u6570\u5b57\uff01”)<\/p>\n\n\n\n

                        except ZeroDivisionError:<\/p>\n\n\n\n

                            print(“\u274c \u8ba1\u7b97\u9519\u8bef\uff0c\u9664\u6570\u4e0d\u80fd\u4e3a\u96f6\uff01”)<\/p>\n\n\n\n

                    # <\/em>\u8fd0\u884c\u6c42\u89e3\u5668<\/em><\/p>\n\n\n\n

                    if __name__ == “__main__”:<\/p>\n\n\n\n

                        binary_equation_solver()<\/p>\n\n\n\n

                    3. <\/strong>\u589e\u5f3a\u7248\u672c\uff1a\u652f\u6301\u6279\u91cf\u6c42\u89e3<\/strong><\/p>\n\n\n\n

                    python<\/p>\n\n\n\n

                    def advanced_equation_solver():<\/p>\n\n\n\n

                        “””\u589e\u5f3a\u7248\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668”””<\/p>\n\n\n\n

                        print(“=== \u9ad8\u7ea7\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3\u5668 ===\\n”)<\/p>\n\n\n\n

                        while True:<\/p>\n\n\n\n

                            print(“1. \u6c42\u89e3\u5355\u4e2a\u65b9\u7a0b\u7ec4”)<\/p>\n\n\n\n

                            print(“2. \u6279\u91cf\u6c42\u89e3\u65b9\u7a0b\u7ec4”)<\/p>\n\n\n\n

                            print(“3. \u9000\u51fa\u7a0b\u5e8f”)<\/p>\n\n\n\n

                            choice = input(“\\n\u8bf7\u9009\u62e9\u529f\u80fd\uff081-3\uff09: “)<\/p>\n\n\n\n

                            if choice == ‘1’:<\/p>\n\n\n\n

                                solve_single_equation()<\/p>\n\n\n\n

                            elif choice == ‘2’:<\/p>\n\n\n\n

                                solve_multiple_equations()<\/p>\n\n\n\n

                            elif choice == ‘3’:<\/p>\n\n\n\n

                                print(“\u611f\u8c22\u4f7f\u7528\uff0c\u518d\u89c1\uff01”)<\/p>\n\n\n\n

                                break<\/p>\n\n\n\n

                            else:<\/p>\n\n\n\n

                                print(“\u65e0\u6548\u9009\u62e9\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff01”)<\/p>\n\n\n\n

                    def solve_single_equation():<\/p>\n\n\n\n

                        “””\u6c42\u89e3\u5355\u4e2a\u65b9\u7a0b\u7ec4”””<\/p>\n\n\n\n

                        # …<\/em>\uff08\u540c\u4e0a\u4e00\u4e2a\u51fd\u6570\u7684\u5b9e\u73b0\uff09<\/em><\/p>\n\n\n\n

                    def solve_multiple_equations():<\/p>\n\n\n\n

                        “””\u6279\u91cf\u6c42\u89e3\u65b9\u7a0b\u7ec4”””<\/p>\n\n\n\n

                        print(“\\n— \u6279\u91cf\u6c42\u89e3\u6a21\u5f0f —“)<\/p>\n\n\n\n

                        equations = []<\/p>\n\n\n\n

                        # <\/em>\u8f93\u5165\u591a\u4e2a\u65b9\u7a0b\u7ec4<\/em><\/p>\n\n\n\n

                        while True:<\/p>\n\n\n\n

                            print(f”\\n\u8bf7\u8f93\u5165\u7b2c{len(equations)+1}\u4e2a\u65b9\u7a0b\u7ec4\u7684\u7cfb\u6570\uff1a”)<\/p>\n\n\n\n

                            try:<\/p>\n\n\n\n

                                a1 = float(input(“a1: “))<\/p>\n\n\n\n

                                b1 = float(input(“b1: “))<\/p>\n\n\n\n

                                c1 = float(input(“c1: “))<\/p>\n\n\n\n

                                a2 = float(input(“a2: “))<\/p>\n\n\n\n

                                b2 = float(input(“b2: “))<\/p>\n\n\n\n

                                c2 = float(input(“c2: “))<\/p>\n\n\n\n

                                equations.append((a1, b1, c1, a2, b2, c2))<\/p>\n\n\n\n

                                cont = input(“\u662f\u5426\u7ee7\u7eed\u8f93\u5165\uff1f(y\/n): “)<\/p>\n\n\n\n

                                if cont.lower() != ‘y’:<\/p>\n\n\n\n

                                    break<\/p>\n\n\n\n

                            except ValueError:<\/p>\n\n\n\n

                                print(“\u8f93\u5165\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff01”)<\/p>\n\n\n\n

                        # <\/em>\u6279\u91cf\u6c42\u89e3<\/em><\/p>\n\n\n\n

                        print(f”\\n\u5f00\u59cb\u6c42\u89e3{len(equations)}\u4e2a\u65b9\u7a0b\u7ec4…”)<\/p>\n\n\n\n

                        for i, eq in enumerate(equations, 1):<\/p>\n\n\n\n

                            a1, b1, c1, a2, b2, c2 = eq<\/p>\n\n\n\n

                            print(f”\\n\u7b2c{i}\u4e2a\u65b9\u7a0b\u7ec4\uff1a”)<\/p>\n\n\n\n

                            print(f”{a1}x + {b1}y = {c1}”)<\/p>\n\n\n\n

                            print(f”{a2}x + {b2}y = {c2}”)<\/p>\n\n\n\n

                            D = a1 * b2 – a2 * b1<\/p>\n\n\n\n

                            if abs(D) > 1e-10:<\/p>\n\n\n\n

                                x = (c1 * b2 – c2 * b1) \/ D<\/p>\n\n\n\n

                                y = (a1 * c2 – a2 * c1) \/ D<\/p>\n\n\n\n

                                print(f”\u89e3\uff1ax = {x:.4f}, y = {y:.4f}”)<\/p>\n\n\n\n

                            else:<\/p>\n\n\n\n

                                print(“\u65e0\u552f\u4e00\u89e3”)<\/p>\n\n\n\n

                      \n
                    • \u5b9e\u8df5\u7ec3\u4e60\uff0810\u5206\u949f\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n

                      \u7ec3\u4e601\uff1a\u57fa\u7840\u6c42\u89e3<\/strong><\/p>\n\n\n\n

                      python<\/p>\n\n\n\n

                      # <\/em>\u6d4b\u8bd5\u7528\u4f8b1\uff1a\u6709\u552f\u4e00\u89e3<\/em><\/p>\n\n\n\n

                      # 2x + 3y = 7<\/em><\/p>\n\n\n\n

                      # 4x – y = 3<\/em><\/p>\n\n\n\n

                      # <\/em>\u89e3\uff1ax = 1, y = 1<\/em><\/p>\n\n\n\n

                      # <\/em>\u6d4b\u8bd5\u7528\u4f8b2\uff1a\u65e0\u89e3<\/em><\/p>\n\n\n\n

                      # 2x + 3y = 7<\/em><\/p>\n\n\n\n

                      # 4x + 6y = 10<\/em><\/p>\n\n\n\n

                      # <\/em>\u6d4b\u8bd5\u7528\u4f8b3\uff1a\u65e0\u7a77\u591a\u89e3 <\/em><\/p>\n\n\n\n

                      # 2x + 3y = 6<\/em><\/p>\n\n\n\n

                      # 4x + 6y = 12<\/em><\/p>\n\n\n\n

                      \u7ec3\u4e602\uff1a\u5b9e\u9645\u95ee\u9898\u5e94\u7528<\/strong><\/p>\n\n\n\n

                      python<\/p>\n\n\n\n

                      # <\/em>\u5b9e\u9645\u95ee\u9898\uff1a\u8d2d\u7269\u95ee\u9898<\/em><\/p>\n\n\n\n

                      def shopping_problem():<\/p>\n\n\n\n

                          “””\u8d2d\u7269\u95ee\u9898\u6c42\u89e3”””<\/p>\n\n\n\n

                          print(“\u8d2d\u7269\u95ee\u9898\uff1a”)<\/p>\n\n\n\n

                          print(“\u5c0f\u660e\u4e703\u4e2a\u82f9\u679c\u548c2\u4e2a\u68a8\u5171\u82b118\u5143”)<\/p>\n\n\n\n

                          print(“\u5c0f\u7ea2\u4e702\u4e2a\u82f9\u679c\u548c1\u4e2a\u68a8\u5171\u82b111\u5143”)<\/p>\n\n\n\n

                          print(“\u6c42\u82f9\u679c\u548c\u68a8\u7684\u5355\u4ef7\u5404\u662f\u591a\u5c11\uff1f”)<\/p>\n\n\n\n

                          # <\/em>\u8bbe\u82f9\u679c\u5355\u4ef7x\uff0c\u68a8\u5355\u4ef7y<\/em><\/p>\n\n\n\n

                          # 3x + 2y = 18<\/em><\/p>\n\n\n\n

                          # 2x + y = 11<\/em><\/p>\n\n\n\n

                          result = solve_linear_equation(3, 2, 18, 2, 1, 11)<\/p>\n\n\n\n

                          print(result)<\/p>\n\n\n\n

                      shopping_problem()<\/p>\n\n\n\n

                        \n
                      • \u9519\u8bef\u5904\u7406\u4e0e\u4f18\u5316\uff083\u5206\u949f\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n

                        1. <\/strong>\u6d6e\u70b9\u6570\u7cbe\u5ea6\u5904\u7406<\/strong><\/p>\n\n\n\n

                        python<\/p>\n\n\n\n

                        # <\/em>\u4f7f\u7528\u7edd\u5bf9\u503c\u5224\u65ad\uff0c\u907f\u514d\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898<\/em><\/p>\n\n\n\n

                        if abs(D) > 1e-10:  # <\/em>\u800c\u4e0d\u662f D != 0<\/em><\/p>\n\n\n\n

                            x = Dx \/ D<\/p>\n\n\n\n

                            y = Dy \/ D<\/p>\n\n\n\n

                        2. <\/strong>\u8f93\u5165\u9a8c\u8bc1\u589e\u5f3a<\/strong><\/p>\n\n\n\n

                        python<\/p>\n\n\n\n

                        def get_float_input(prompt):<\/p>\n\n\n\n

                            “””\u5b89\u5168\u7684\u6d6e\u70b9\u6570\u8f93\u5165\u51fd\u6570”””<\/p>\n\n\n\n

                            while True:<\/p>\n\n\n\n

                                try:<\/p>\n\n\n\n

                                    value = float(input(prompt))<\/p>\n\n\n\n

                                    return value<\/p>\n\n\n\n

                                except ValueError:<\/p>\n\n\n\n

                                    print(“\u8f93\u5165\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\u6570\u5b57\uff01”)<\/p>\n\n\n\n

                        \u4e94\u3001\u8bfe\u7a0b\u603b\u7ed3\uff082\u5206\u949f\uff09<\/strong><\/p>\n\n\n\n

                        \u77e5\u8bc6\u56de\u987e<\/strong>\uff1a<\/p>\n\n\n\n

                        \u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u7684\u6570\u5b66\u539f\u7406<\/p>\n\n\n\n

                        \u514b\u83b1\u59c6\u6cd5\u5219\u6c42\u89e3\u65b9\u6cd5<\/p>\n\n\n\n

                        Python\u7a0b\u5e8f\u5b9e\u73b0\u6280\u5de7<\/p>\n\n\n\n

                        \u7f16\u7a0b\u8981\u70b9<\/strong>\uff1a<\/p>\n\n\n\n

                        \u8f93\u5165\u9a8c\u8bc1\u548c\u9519\u8bef\u5904\u7406\u7684\u91cd\u8981\u6027<\/p>\n\n\n\n

                        \u6d6e\u70b9\u6570\u7cbe\u5ea6\u7684\u5904\u7406\u65b9\u6cd5<\/p>\n\n\n\n

                        \u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/p>\n\n\n\n

                        \u8bfe\u540e\u4f5c\u4e1a<\/strong><\/p>\n\n\n\n

                        \u57fa\u7840\u9898<\/strong><\/p>\n\n\n\n

                          \n
                        1. \u5b8c\u5584\u7a0b\u5e8f\uff0c\u589e\u52a0\u5bf9\u5206\u6570\u8f93\u5165\u7684\u652f\u6301<\/li>\n\n\n\n
                        2. \u6dfb\u52a0\u56fe\u5f62\u754c\u9762\u7248\u672c\uff08\u53ef\u9009\uff09<\/li>\n<\/ol>\n\n\n\n

                          \u63d0\u9ad8\u9898<\/strong><\/p>\n\n\n\n

                            \n
                          1. \u6269\u5c55\u7a0b\u5e8f\u652f\u6301\u4e09\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3<\/li>\n\n\n\n
                          2. \u6dfb\u52a0\u5c06\u89e3\u4fdd\u5b58\u5230\u6587\u4ef6\u7684\u529f\u80fd<\/li>\n<\/ol>\n\n\n\n

                            \u6559\u5b66\u53cd\u601d<\/strong><\/p>\n\n\n\n

                            \u6210\u529f\u4e4b\u5904<\/strong>\uff1a<\/p>\n\n\n\n

                            \u5c06\u6570\u5b66\u77e5\u8bc6\u4e0e\u7f16\u7a0b\u5b9e\u8df5\u7d27\u5bc6\u7ed3\u5408<\/p>\n\n\n\n

                            \u7a0b\u5e8f\u529f\u80fd\u5b8c\u6574\uff0c\u5b9e\u7528\u6027\u5f3a<\/p>\n\n\n\n

                            \u5f85\u6539\u8fdb<\/strong>\uff1a<\/p>\n\n\n\n

                            \u5bf9\u6570\u5b66\u57fa\u7840\u8584\u5f31\u7684\u5b66\u751f\u9700\u8981\u66f4\u591a\u94fa\u57ab<\/p>\n\n\n\n

                            \u53ef\u4ee5\u589e\u52a0\u66f4\u591a\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/p>\n\n\n\n

                            \u9644\u5f55\uff1a\u6570\u5b66\u516c\u5f0f\u8be6\u89e3<\/strong><\/p>\n\n\n\n

                            \u514b\u83b1\u59c6\u6cd5\u5219\u8bc1\u660e\u601d\u8def<\/strong><\/p>\n\n\n\n

                            text<\/p>\n\n\n\n

                            \u5bf9\u4e8e\u65b9\u7a0b\u7ec4\uff1a<\/p>\n\n\n\n

                            a\u2081x + b\u2081y = c\u2081<\/p>\n\n\n\n

                            a\u2082x + b\u2082y = c\u2082<\/p>\n\n\n\n

                            \u7528\u6d88\u5143\u6cd5\u53ef\u5f97\uff1a<\/p>\n\n\n\n

                            x = (c\u2081b\u2082 – c\u2082b\u2081) \/ (a\u2081b\u2082 – a\u2082b\u2081)<\/p>\n\n\n\n

                            y = (a\u2081c\u2082 – a\u2082c\u2081) \/ (a\u2081b\u2082 – a\u2082b\u2081)<\/p>\n\n\n\n

                            <\/p>\n","protected":false},"excerpt":{"rendered":"

                            \u6559\u6848\u57fa\u672c\u4fe1\u606f \u8bfe\u7a0b\u540d\u79f0\uff1aPython\u7f16\u7a0b\u7b2c\u5341\u4e09\u8bfe \u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u6c42\u89e3...<\/p>\n","protected":false},"author":1,"featured_media":104,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,4],"tags":[],"class_list":["post-145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-23","category-4"],"views":158,"_links":{"self":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/comments?post=145"}],"version-history":[{"count":1,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/145\/revisions"}],"predecessor-version":[{"id":146,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/145\/revisions\/146"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/media\/104"}],"wp:attachment":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/media?parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/categories?post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/tags?post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}