25_04_04 蓝桥杯:简单数论

• 1.阶乘约数：
  https://www.lanqiao.cn/problems/1020/learning/?page=1&first_category_id=1&second_category_id=3&name=阶乘约数
  

• 2.求值：
  https://www.lanqiao.cn/problems/816/learning/?page=1&first_category_id=1&second_category_id=3&name=求值

• 3.循环小数：
  https://www.lanqiao.cn/problems/1051/learning/?page=1&first_category_id=1&second_category_id=3&name=循环小数

• 4.等差数列：
  https://www.lanqiao.cn/problems/192/learning/?page=1&first_category_id=1&second_category_id=3&name=等差数列

• 5.最大比例：
  https://www.lanqiao.cn/problems/120/learning/?page=1&first_category_id=1&second_category_id=3&name=最大比例

• 6.分数：
  https://www.lanqiao.cn/problems/610/learning/?page=1&first_category_id=1&second_category_id=3&name=分数

• 7.序列求和：
  https://www.lanqiao.cn/problems/806/learning/?page=1&first_category_id=1&second_category_id=3&name=序列求和

• 9.包子凑数：
  https://www.lanqiao.cn/problems/98/learning/?page=1&first_category_id=1&second_category_id=3&name=包子凑数

• 10.选素数：
  https://www.lanqiao.cn/problems/2179/learning/?page=1&first_category_id=1&second_category_id=3&name=选素数