.

2) 1, 3, 5, 7, ... According to this rule, the odd number in 2006 is _ _ _ _ _.

3) This year, my son is 6 years old, my father is 36 years old and my mother is 3 1 year old.

After a few years, the total age of parents is seven times that of their sons.

4)☆ means a new operation and stipulates that a☆b=2a+3b, then (3☆4)☆5= (

)

5) Use 2, 4, 8, 10 to form various methods for calculating 24 points. (Try to write in more ways)

Xiaoming and Obana Xiaoguang are both Young Pioneers cadres. One of them is the captain, one is the squadron leader and the other is the monitor. In sports competitions

Their 100 meter race result is: (1).

Xiaoguang's performance is better than that of the captain;

(2)

Xiao Ming and the squadron leader have different grades;

(3)

Squadron leader's performance is worse than Xiaohua's. According to the above situation, can you know who is the captain of Xiao Ming and Obana Xiaoguang? (

)