2023冬季世奥赛郑州赛区考试范围 标签：世奥赛
<p><strong>摘要：</strong>2023赛季世界少年奥林匹克数学竞赛（中国区）选拔赛已经于9月份开始报名，世奥赛河南省组委会给出了考试范围。</p><p><strong>2023－2023赛季</strong> </p><p><strong>世界少年奥林匹克数学竞赛（中国区）选拔赛</strong> </p><p><strong>郑州赛区选拔赛考试范围</strong> </p><p>赛区从海选测试资格赛到选区初赛、选区晋级赛和决赛比赛赛题,赛题根据本活动考试大纲，以及每个年级不同题型的难度系数与学生在校学习内容同步而制定。</p><p><strong>小学三年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td rowspan="2"><p><strong>速算与巧算</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td rowspan="2"><p align="center"><strong>14.4%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td rowspan="2"><p><strong>找规律</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="2"><p align="center"><strong>14.4%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>图形分割</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td><p><strong>巧填运算符号</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p><strong>等差数列求和</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td rowspan="3"><p><strong>数字图与文字谜</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="3"><p align="center"><strong>21.5%</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td><p><strong>和倍应用题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p><strong>差倍应用题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>平均数应用题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>智力趣题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>小学四年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td><p><strong>速算与巧算</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p><strong>找规律</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>整除问题</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p><strong>周期问题</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%.</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>等差数列及其应用</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td><p><strong>数字图</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p><strong>平均数应用题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p><strong>年龄问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>巧算面积</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>数图形</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td rowspan="2"><p><strong>数字与幻方</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td rowspan="2"><p align="center"><strong>14.8%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>盈亏问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>最优化问题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>小学五年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td rowspan="2"><p><strong>奇偶分析</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="2"><p align="center"><strong>14.8%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>逻辑推理</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p><strong>抽屉原理</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%.</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>整除</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td><p><strong>找规律</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p><strong>行程问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p><strong>最优化问题</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>面积问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>简便计算</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td><p><strong>巧算周长</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p><strong>盈亏问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>牛吃草</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>数列求和</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>小学六年级</strong> </p><p><table align="center" width="591"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td><p><strong>简便计算</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p><strong>数字的大小比较</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>数列与不等式的解法</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p><strong>分数应用题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%.</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>周期性问题</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td><p><strong>分数与小数的计算</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p><strong>巧算长方体的体积</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p><strong>观察与归纳</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>抽屉原理</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>染色问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td><p><strong>面积问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p><strong>工程问题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>逻辑推理</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>数字填图</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>初中一年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td><p><strong>逻辑推理</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p><strong>质数与合数</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>利用图形进行巧算</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p><strong>数字分析</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>有理数的巧算</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td rowspan="3"><p><strong>绝对值的意义与化简</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td rowspan="3"><p align="center"><strong>21.9%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p align="center"><strong>A</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>整式的计算</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>不定方程的应用</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td><p><strong>列方程（组）解题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p><strong>行程问题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>数字格</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>行程问题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>初中二年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td rowspan="2"><p><strong>因式分解及其应用</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td rowspan="2"><p align="center"><strong>14.4%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p align="center"><strong>A</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>代数式的求值</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td rowspan="2"><p><strong>二次根式的意义及求值</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="2"><p align="center"><strong>14.4%</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td rowspan="2"><p><strong>二次根式的化简</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="2"><p align="center"><strong>14.4%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p><strong>代数式条件的求值</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>平行线的性质</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>函数的最小值</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td><p><strong>几何作图：最优化问题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p><strong>面积问题</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>图形的对称：角度计算</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>全等的构造与应用</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p><strong>初中三年级</strong> </p><p><table align="center"><tbody><tr><td><p align="center"><strong>序号</strong> </p></td><td><p align="center"><strong>地区初赛、晋级赛、决赛涉及内容</strong> </p></td><td><p align="center"><strong>考试难度</strong> </p></td><td><p align="center"><strong>所占卷面比例</strong> </p></td></tr><tr><td><p align="center"><strong>1</strong> </p></td><td><p><strong>函数的最大值与最小值</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>2</strong> </p></td><td><p><strong>换元法解分式方程</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>3</strong> </p></td><td><p><strong>二次根式的意义与求值</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>4</strong> </p></td><td><p><strong>一元二次方程根的判别式</strong> </p></td><td><p align="center"><strong>A</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>5</strong> </p></td><td><p><strong>一元二次方程根的判别式与配方法</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>6</strong> </p></td><td rowspan="3"><p><strong>一元二次方程根与系数的关系及其应用</strong> </p></td><td><p align="center"><strong>B</strong> </p></td><td rowspan="3"><p align="center"><strong>21.4%</strong> </p></td></tr><tr><td><p align="center"><strong>7</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>8</strong> </p></td><td><p align="center"><strong>B</strong> </p></td></tr><tr><td><p align="center"><strong>9</strong> </p></td><td><p><strong>图形的旋转</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>10</strong> </p></td><td><p><strong>二次根式的计算</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>11</strong> </p></td><td rowspan="2"><p><strong>相似形的应用</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td rowspan="2"><p align="center"><strong>14.7%</strong> </p></td></tr><tr><td><p align="center"><strong>12</strong> </p></td><td><p align="center"><strong>C</strong> </p></td></tr><tr><td><p align="center"><strong>13</strong> </p></td><td><p><strong>列一元二次方程解应用题</strong> </p></td><td><p align="center"><strong>C</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr><tr><td><p align="center"><strong>14</strong> </p></td><td><p><strong>几何定值的证明</strong> </p></td><td><p align="center"><strong>D</strong> </p></td><td><p align="center"><strong>7.1%</strong> </p></td></tr></tbody></table></p><p>考试难度系数说明：A易B一般C较难D难</p><p>世界少年奥林匹克数学竞赛（中国区）选拔赛</p><p>河<span></span>南省组委会</p><p>2023年<span></span></p>
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