2. A highway maintenance team plans to build a highway with a length of 1200m. 15% of the total length was repaired in the first week and 13% of the total length was repaired in the second week. How many meters is the first week less than the second week?
3. The school has 180 basketball, football and volleyball. It is known that the ratio of basketball, football and volleyball is 5: 4: 3. How many balls are there?
Chicken and rabbit live in the same cage, with 25 heads and 80 legs. How many chickens and rabbits are there?
5. The sixth grade students sign up for the math interest group, and the number of participants is 13 of the total number of sixth grade students. Later, 20 students took part. At this time, the ratio of students who participate and students who do not participate is 3: 4. How many people are there in Grade One and Grade Six?
6. According to the known conditions, connect the problem with the formula with a line.
There are 3200 chickens in the farm, the first one is sold and the second week is sold.
How much did you sell in the first week? 3200×38
How much did you sell in the second week? 3200× 25
How much did the second week sell less than the first week? 3200× 25 -3200× 38
How many * * * units are sold every two weeks? 3200×( 1-25 -38 )
How much is left? 3200×( 25 +38 )
7. There are 98 boys and 2 girls1/kloc-0 in the fifth grade of Hongxing Primary School. The number of students in grade five is 79 in grade six. How many students are there in the sixth grade?
8. A grain store sold 18 tons of flour last week, and rice sold more than flour 16. How many kilograms of rice did the grain store sell last week?
9. Xiaohong reads a book. On the first day she read 15, and the next day she read 38. At this point, there are 5 1 pages left. How many pages are there in this book?
10. A car goes from city A to city B, the whole journey is 38 kilometers, and it is 82 kilometers away from the midpoint.
How many kilometers is it from Chengdu to B city?
1 1. Build a road, and the ratio of the completed road to the total length is 1:3. Repair 150 meters, and you can walk half the way. How long is this road?
12. There are one-eighth more girls than boys in the literature and art group, and how many points are boys less than girls?
13 A car traveled 72 kilometers from city a to city b, with the remaining 62.5% of the whole journey. How many kilometers does this bus need to travel to B city?
14 A and b two cars leave from two opposite directions at the same time. When A drives 60% of the whole journey and B drives 75% of the whole journey, the distance between the two cars is140km. How many kilometers are the two places apart? How many kilometers does car A travel less than car B?
15 Qingfeng Store delivers 1620 Jin of oranges and pears, and the pears delivered are 80% of oranges. How many kilograms of oranges and pears were delivered? .
The oil yield of 16 rapeseed was 38%. How many tons of oil can 5 tons of rapeseed process?
17 built a waterworks with a planned investment of 5 million yuan, which actually saved 5% compared with the plan. How many million yuan was saved?
18195 The national industrial and commercial tax revenue was 538.3 billion yuan,196 increased 105 1 100 million yuan. Compared with 1995, what is the growth percentage of 1996?
19 Xinhua Bookstore transported 5,250 books of literature and art science and technology to the countryside, including 25 packages of literature and art books and 80 packages of science and technology books, each with an equal number of books. How many books are there in each package? How many books are there in science and technology and literature and art respectively?
A grain store sells 50 bags of flour in the morning and 30 bags of flour in the afternoon, each with the same weight, and sells 1600 kg more flour in the morning than in the afternoon. How many kilograms does each bag of flour weigh? How many kilograms of flour do you sell in the morning and afternoon?
2 1. Dad bought a suit and took it to 550 yuan. The price of trousers is three-eighths of that of coat. How much are the coat and trousers?
22. The ball falls freely from a height, and the height of bouncing after touching the ground is 2/5 of the previous falling height. If the ball falls from a height of 25 meters, what is the height of the ball's third bounce?
The number of students in a class is between 40 and 50, and the ratio of male to female is 5: 6. How many boys and girls are there in this class?
24. Jinyang Guang school uniform factory used to be a set of cloth for primary school uniforms. After adopting the new cutting method, each set saves more cloth than the original one. Originally, this school uniform was made of 750 sets of cloth. How many school uniforms can you make now?
25. A football match ticket 15 yuan. In order to get better economic benefits, the ticket price has been reduced. After the price reduction, the audience doubled and the income increased. Q: How much has the fare been reduced?
26. There are some books on Xiaoming's bookshelf. There are 100 ~ 150 books, including story books and popular science books. How many books are there on the shelf at most?
27. In order to build a conservation-oriented society and strengthen citizens' awareness of water conservation, a city has formulated the following water fee standards: when the monthly water consumption of each household does not exceed 10 ton, the water fee per ton is 0.8 yuan; If it exceeds 10 ton, the water fee exceeding the standard per ton will be increased on the basis of each ton of 0.8 yuan. The Wangs used 18 tons of water last month. How much will it cost?
28. Read a story book for 30 pages every day. After 3 days, 5/8 of the book is still unread. How many pages are there in this book?
1, 75,000 boxes of 220m 3, basketball 75 football 60 volleyball 30.
4. Chickens 10 rabbits 15 rabbits 2 10 people.
6. orange juice 12 people, cola 8 people, mineral water 4 people, milk 16 people10.900m.
1 1.9% 1 22. First bounce: 25 * 2/5 =10m, second bounce:10 * 2/5 = 4m, third bounce: 4 *.
One * * * is 28 questions, only some of which have answers. I hope I can help you.
I wish you a happy New Year! Progress in grades! Hope to adopt! ! ! It took a long time to find the topic in many textbooks, such as experimental class, Jiangsu examination paper and application card. It took 1 several hours. I hope it helps, and I must adopt it. )