1. The distance between Party A and Party B is 560 kilometers. One car goes from A to B at a speed of 48 kilometers per hour, and the other car goes from B to A at a speed of 32 kilometers per hour. How many kilometers are the two cars apart after five hours?

2. The speed of a car per second is18m, the length of the car is18m, and the length of the tunnel is 324m. How long does it take for the car to pass through the tunnel?

Pens are more expensive than ballpoint pens, 6.8 yuan. The price of a pen is 4.4 times that of a ballpoint pen. How much are pens and ballpoint pens?

During the Chinese New Year, my mother gave my sister as much lucky money as my brother. My sister spent 290 yuan to buy an encyclopedia, and my brother spent 170 yuan to buy a scooter. At this time, my brother's money is three times that of my sister. How much lucky money did my sister and brother get?

Today, a chicken and a rabbit live in a cage. There are 35 rabbit heads with chicken heads and 94 rabbit legs with chicken legs. Q: How many chickens and rabbits are there?

6. Mom is 46 years old, and Xiao Gan 12 years old. How many teenage mothers are three times as old as Xiao Gan?

7. In the sports meeting for the elderly, Liu took part in the long-distance race, which was 1.5 km and took 9.7 minutes, and won the first place. Li spends 2 minutes more than Liu. How many minutes does Li Run 1 km take on average?

8. Xiaoming buys 3kg pears and 3kg apples * * and pays 20. 1 yuan, while Xiao Fang buys 1kg pears and 3kg apples * * and pays 15. 1 yuan. How much are apples and pears per kilogram?

9. There are 40 students in one class, including math group 15 and model airplane group 18. Both groups are 10. So how many people don't participate in both groups?

10. A class of 45 students took the final exam. After the results were announced, 10 students got full marks in mathematics, 3 students got full marks in mathematics and Chinese, and 29 students got no full marks in both subjects. So how many people got full marks in Chinese?

1 1.50 Students stand in a row facing the teacher. The teacher asked everyone to press 1, 2,3, ..., 49,50 from left to right. Let the students who are calculated as multiples of 4 back off, and then let the students who are calculated as multiples of 6 back off. Q: How many students are facing the teacher now?

12. At the entertainment party, 100 students won lottery tickets with labels of 1 to 100 respectively. The rules for awarding prizes according to the tag number of lottery tickets are as follows: (1) If the tag number is a multiple of 2, issue 2 pencils; (2) If the tag number is a multiple of 3, 3 pencils will be awarded; (3) The tag number is not only a multiple of 2, but also a multiple of 3 to receive the prize repeatedly; (4) All other labels are awarded to 1 pencil. So how many prize pencils will the Recreation Club prepare for this activity?

13. There is a rope with a length of 180 cm. Starting from one end, make a mark every 3 cm and 4 cm, and then cut it where there is a mark. How many ropes were cut?

1There are 3 yellow balloons in 4.2 yuan and 2 flower balloons in 3 yuan. The school * * * bought 32 balloons, 4 of which were fewer than yellow balloons. What balloons do schools spend more money on?

15. There are several geese and ducks in the river, among which the number of ducks is four times that of geese. It is also known that there are 27 geese in Abby Mallard. How many are there in each goose and duck?

16. Teacher Zhang, the head teacher, took 50 students from Class Two, Grade Five to plant trees. Teacher Zhang planted five trees, three boys and two girls, a total of 120 trees. How many boys and girls did he ask?

17. each big oil bottle is 4kg, and each small oil bottle is 2kg 1kg. At present, 60 bottles of 100kg oil are filled. How many oil bottles are there?

18. The kitten took part in the math contest, did 20 questions and got 64 points. He got 5 points right, didn't get 0 points, and got 1 point wrong, knowing that he did as many wrong questions as he didn't. Please ask the kitten to do a few questions correctly.

Honey, it took me 40 minutes. Please take it.