1. If 2+3= 10, 7+2=63, 6+5=66, what is 9+4? (Answer: 104)2. Xiaoming has 30 yuan, and spent half of his money on a book, leaving 15 yuan. He wants to buy another book, so how much money does he lack now? (Answer: 15 yuan) 3. A number minus half of it equals 8. What's this number? (Answer: 16)4. Bring some strange numbers. If 1=3, 2=6 and 3=9, what is 7? (Answer: 2 1)5. If the football team defends 364 goals and scores 1 goal, will the defense be better? (Answer: Yes, because it became 365 goals) 6. Numbers, if split together, the result is 2, 3, 5. What's this number? (Answer: 235)7. This number is 3, and the other number is 2. Their total number is 10. If you double them all, how much will their total become? (Answer: 26)8. In a rectangular room, there are four people standing, each facing the center of the room. The first man saw people and two doors, the second man saw two people and a wall, the third man saw three people and a door, and the fourth man saw four people and a door. How many doors are there in this rectangular room? (Answer: 3 doors) 9. If you combine the number 1 1 with three 4s, you need to do this: 4/4+4=9, then add 9 to the remaining 4: 9+4= 13, and finally divide 13 by the remaining 4: 65438+. How many quartile numbers can you use 100? (Answer: 44 4) 10. The duck stands on four shoes. Length of each shoe 10 inch. The weight of the duck is exactly 10. If the duck wants to stand on two shoes, it will fall. Why? (Answer: Because it is too heavy to stand on only two shoes)