|
2013
|
2012
|
2011
|
2010
|
2009
|
2008
|
2007
|
2006
|
2005
|
合计
|
||
一
|
二
|
一
|
二
|
|||||||||
代入排除
|
2
|
1
|
|
|
|
1
|
1
|
1
|
1
|
|
|
7
|
数字特性
|
2
|
2
|
2
|
|
2
|
|
2
|
|
|
1
|
|
11
|
十字交叉
|
|
1
|
1
|
|
|
|
1
|
1
|
|
1
|
|
5
|
方程法
|
|
|
1
|
1
|
3
|
2
|
|
|
2
|
|
|
9
|
经济利润
|
2
|
2
|
2
|
2
|
|
1
|
|
1
|
1
|
|
2
|
13
|
行程
|
1
|
2
|
2
|
1
|
|
|
1
|
1
|
|
3
|
3
|
14
|
工程
|
|
1
|
2
|
|
1
|
|
1
|
|
|
|
|
5
|
几何
|
1
|
2
|
1
|
1
|
|
2
|
2
|
|
|
|
|
9
|
等差
|
|
1
|
|
|
1
|
2
|
|
|
|
|
|
4
|
最值
|
1
|
1
|
1
|
1
|
1
|
1
|
|
2
|
2
|
1
|
1
|
12
|
排列组合
|
|
|
1
|
2
|
2
|
1
|
1
|
|
|
1
|
|
8
|
概率
|
1
|
1
|
|
|
|
|
|
|
|
|
|
2
|
容斥
|
|
|
2
|
1
|
1
|
|
1
|
1
|
1
|
1
|
1
|
9
|
抽屉
|
1
|
1
|
|
|
|
|
1
|
|
|
|
|
3
|
年龄
|
|
|
|
1
|
|
1
|
|
|
|
1
|
|
3
|
周期
|
2
|
|
|
|
1
|
|
|
|
|
1
|
1
|
5
|
浓度
|
|
|
|
|
1
|
|
|
|
|
|
|
1
|
牛吃草
|
1
|
|
|
|
1
|
|
|
|
|
|
|
2
|
计算
|
|
|
|
|
|
2
|
|
|
|
3
|
2
|
7
|
多位数
|
|
|
|
|
|
1
|
|
2
|
|
|
|
3
|
约数倍数
|
|
|
|
|
|
1
|
1
|
|
|
|
|
2
|
同余
|
|
|
|
|
|
|
|
1
|
|
|
|
1
|
过河
|
|
|
|
|
|
|
1
|
|
|
|
|
1
|
比赛场次
|
|
|
|
|
|
|
|
|
1
|
|
|
1
|
和差倍比
|
1
|
|
|
|
|
|
1
|
|
|
|
|
2
|
统筹优化
|
|
|
|
|
|
|
1
|
1
|
2
|
|
|
4
|
时钟
|
|
|
|
|
|
|
|
1
|
|
1
|
1
|
3
|
非常规
|
|
|
|
|
1
|
|
1
|
|
|
1
|
|
3
|