First, express it in letters.

1, each chicken sells a yuan, each duck sells b yuan, and each chicken and duck buys 12, so a * * * will cost () yuan.

2. Uncle Wang sells watermelons, and has sold 8 baskets, each of which is RMB X, with 300 Jin left. Then Uncle Wang wants to sell () kilograms of watermelon.

Jia Xiaoming Jia Xiaohong school

Xiaohong starts from home and walks 80 meters every minute, so she can get to school in one minute. Xiao Ming starts from home, walks 65 meters every minute, and can get to school in 9 minutes. It's () meters from Xiaohong's home to Xiaoming's.

4. The road team built a one-meter-long road, 200 meters long, with () meters left.

5. A car travels x kilometers per hour, 15 hour () kilometers.

The total price of 6.300 bicycles is RMB X, RMB () per bicycle.

7. There are X boys, 3 fewer than girls, and there are () girls. There are () boys and girls.

8. There are 65,438+02 poplars and 65,438+06 pine trees in each row, with X rows of poplars and pine trees respectively, so () poplars and pine trees were planted.

9. There are row A seats upstairs in the cinema, with an average of 24 seats in each row. Downstairs is row B, with an average of 24 seats per row. Then there are () seats in the cinema. There are more seats upstairs than downstairs ().

10. The apprentice processes several parts per hour. If the number of parts processed by the master is 8 times less than that of the apprentice, then the master processes () parts per hour.

1 1, Xiaohong went to the store and bought two pens and four notebooks. 8 yuan for each pen and notebook 1 yuan. Then Xiao Hongyi has to pay () yuan.

12. A bag of rice, 30kg each, was taken into the canteen. We already know B kilograms, so there are () kilograms left.

13, Young Pioneers perform group gymnastics. There are boys A and girls B in each row, standing in six rows, and then () boys and girls.

14, ∠ 1 = A, ∠ 2 = B, then ∠ 3 = ().

Second, the application problem

1. There is a rectangular flower bed in a primary school, which is 8 meters long. When the school was established, the length of the garden increased by 3 meters, so the garden area increased by 18 square meters. How many square meters was the original garden area?

There is a rectangular fish pond with a width of 20 meters. Later, due to the expansion of the highway, the width of the fish pond was reduced by 5 meters, so the area of the fish pond was reduced by 150 square meters. What is the area of the fish pond now? (Draw and answer)

3. A primary school has a rectangular experimental field. If the length of this experimental field is increased by 6 meters or the width is reduced by 4 meters, the area will increase by 48 square meters. Do you know how many square meters this experimental field used to have?

There used to be a rectangular playground in a primary school, which was 50 meters long and 40 meters wide. When the campus is expanded, the playground is increased by 10 meter, and the width is increased by 8 meters. How many square meters has the playground area increased?

Xiaoming and Fangfang walk from home to school at the same time. Xiaoming walked 70 meters per minute, and Fangfang walked 60 meters per minute. Four minutes later, they met at the school gate. How many meters are they apart?

Xiaoming School Fangfang

6.Obana Xiaoli starts from the same place at the same time. Xiaohua goes east at a speed of 60 meters per minute, and Xiaoli goes west at a speed of 55 meters per minute. How many meters apart are they after 3 minutes?

7. Wang Chao and Xiaoming are coming from two places along a highway. Wang Chao walks 68 meters per minute. Xiao Ming walks 65 meters every minute. Eight minutes later, they meet. How many meters are the two places apart?

8. Xiao Zhang and Xiao Li are running on the circular track. They started from the same place and went in the opposite direction. Xiao Zhang runs 8 meters per minute, and Xiao Li runs 12 meters per minute. After 40 seconds, the two met. How long is the runway?

9. Two construction teams jointly open a tunnel, and each team digs from one end to the middle at the same time. The first team digs12m every day, and the second team digs15m every day. After 8 days, I just drilled it. How long is this tunnel?

10. Digging a 600-meter-long tunnel took five days in the first week, with an average of 64 meters per day. In the second week, I plan to dig 70 meters every day. How many more days will it take?

1 1. Xiaohong reads a story book with 188 pages. In the first four days, she read 17 pages on average every day. After reading the remaining six days, how many pages does she read on average every day?

12. There are 3 rows of magnolia trees and 3 rows of begonia trees in the garden. Magnolia trees per row 12 plants, begonia trees per row 8 plants. How many trees are there in a box? How many more magnolia trees are there than begonia trees?

13 Jia Xiaoming

Xiaoxingjia in Children's Palace Square

Xiaoxing walks 60 meters per minute, and Xiaoming walks 64 meters per minute.

(1) Xiaoxing and Xiaoming set out from home at the same time and meet in the square in 5 minutes. How many meters are Xiaoxing's and Xiaoming's houses apart?

They walked from the square to the Children's Palace at the same time. Six minutes later, Xiao Ming arrived at the Children's Palace. How many meters is Xiaoxing from the Children's Palace?

13. The fruit shop delivered 8 boxes of apples/kloc-0 and 22 boxes of bananas, each weighing 15 kg. How many kilograms of apples and bananas were delivered?

14, the school held a sports meeting. There are 54 participants in the third grade, 7 more in the fourth grade than in the third grade, and twice as many participants in the fifth grade. How many people participated in the fifth grade?

15, three trucks * * * transport 480 boxes of apples. According to this calculation, if two more trucks are added, how many boxes can a * * * carry?

The students planted trees. In the fourth grade, I planted 32 trees. The sixth grade is less than the fourth grade 18 trees. How many trees were planted in the fourth grade than in the sixth grade?

17. Spread the room with square bricks with an area of 9 square decimeters, and 480 pieces just cover it. If you use a square brick with a side length of 4 mm, how many pieces do you need?

18. There are three people in a military family, with a living area of 72 square meters. There are five people in Lele family, with a living area of 85 square meters. How much is the per capita living area of military families larger than that of Lele families?

19. Art group 18 people, and the number of calligraphy group is twice that of art group. The number of chorus group is 6 more than the total number of art group and calligraphy group. How many people are there in the choir?

20. The Young Pioneers sang "Grassland". The first group 14 people, with an average of each person 1 1 kg. The second group 13 people, with an average of 9 kg per person. How many kilograms did the first group cut more than the second group?

2 1, young pioneers mow grass, the first group 14 people, * * mow grass 154 kg, the second group 13 people, * * mow grass 1 17 kg. How many kilograms of grass did the first group cut on average than the second group?

22. A straight line with a length of 18cm can form an equilateral triangle with a side length of several centimeters?

23. The vertex angle of the isosceles single call shape is 70 degrees. What is the bottom corner?

24. The base angle of an isosceles triangle is 35 degrees. What is the degree of the vertex angle?

25. There are 25 cows in the dairy farm, and each cow eats 12 kg of grass every day. According to this calculation, how many Jin of grass can these cows eat every 30 days?

26. Send 180 baskets of radishes and 220 baskets of Chinese cabbage from the food market. Radish is 40 kg in a basket and cabbage is 35 kg in a basket. rule

(1) How many Jin of radish and cabbage did you send?

(2) How many catties is radish less than cabbage?

27. Garden Primary School has bought 45 sets of single desks and chairs, and each desk costs 128 yuan. How much does each chair cost in 52 yuan?

28. Zhuang Lin has a rectangular garden with a length of120m and a width of 50m, and a square nursery with a side length of 80m. Which is bigger than the garden and nursery? How many square meters is it?

29. Tickets for Changyang Park are as follows:

The number of ticket buyers exceeds1-5051-100100.

Ticket price per person (RMB) 25 23 20

(1) How much does it cost to buy tickets separately for each class?

(2) How much does it cost for three classes to buy tickets together?

30. Acrobatic Troupe fare 12 yuan/person. In the fourth grade, 65,438+050 students came to see the acrobatic performance. A * * *, how much is it?

3 1. A manuscript has 5300 words. Zhang Xiaohong can type 1 15 words per minute on average. Can she finish typing this manuscript in 45 minutes?

32. The store shipped 845 teddy bears and sold 537. (1) The unit price of the teddy bear sold is 16 yuan. What is the income of * * *? (2) How much can the remaining teddy bears earn if they are sold at the unit price of 13 yuan?

33. The fruit shop delivers 0/5 boxes of apples, 0/6 boxes of oranges, 20 kg of apples and 0/8 kg of oranges.

(1) How many Jin of apples and oranges did the fruit shop send?

(2) How many kilograms are apples more than oranges?

34. The school held a calligraphy and painting competition. 12 people won the first prize, twice as much as the first prize, and 10 people won the third prize. How many people won the third prize?

35. Every football 57 yuan, every basketball 62 yuan. I bought five footballs in grade five and six footballs in grade four.

(1) How much does it cost to buy a football in the fourth and fifth grades?

(2) In the sixth grade, I plan to buy four footballs and four basketballs with 500 yuan. Is there enough money?

36. The canteen brought five bags of rice and four bags of flour, 50 kg each and 40 kg each. How many Jin of rice and flour does the canteen carry?

37. The canteen sent five bags of rice and four bags of flour, 250kg of rice and 0/60 kg of flour. How many kilograms is a bag of flour lighter than rice on average?

38. Auntie keeps 12 ducks, and the number of chickens is four times more than that of ducks. How many ducks and chickens does Aunt keep?

39. The number of girls in the model airplane class is 12, and the number of boys is three times that of girls. There are six such demonstration classes in Children's Palace, and the number is equal. How many people are studying in the children's palace model airplane class?

40. There are 36 origami cranes every day, 6 fewer than every day. That's twice the total strength and intensity every day. How many?

4 1. The bus departs from Nanjing and travels 230 kilometers in 2 hours. At this rate, it will take four hours to reach Jinan. How many kilometers is the road from Nanjing to Jinan?

42. A * * * has to process 900 sets of clothes for five days, with an average of 128 sets per day. How many sets have not been processed? The rest will be finished in 2 days. How many sets will be processed on average every day?

43. Students plant trees. 4 1 class has 48 students, with an average of 6 trees per class, and 42 classes have 50 students, with an average of 5 trees per class. How many trees have been planted in class 4/kloc-0?

44. A rectangular fish pond is100m long and 60m wide. How many trees can be planted every 5 meters around this rectangular fish pond?

45. The students watered the trees and watered 23 trees in the second grade. The number of trees watered in grade four is twice that in grade two. The number of trees watered in the sixth grade is more than the total number of trees watered in the second and fourth grades 18. How many trees were watered in the sixth grade?

46. There are 6 classes in Grade Four and 8 classes in Grade Five in a primary school, with an average of 48 students in each class. How many people are there in the fourth and fifth grades?

47,27 meters

14m

33 meters

There is a rectangular vegetable field with tomatoes and peppers. Calculate, how many square meters is the area of pepper field?

47. One factory building is a square vegetable field with a size of15m. This year, she increased one set of opposite sides of this vegetable field by 3 meters, while the length of the other set of opposite sides remained unchanged? How many square meters has this vegetable field increased? (Draw a picture first, then solve the problem)

48. The campus of Lixin Primary School is rectangular, 80 meters long and 60 meters wide. After this year's expansion, the length and width of the campus have increased by 20 meters. (As shown in the picture below) What is the area of the campus now?

49. Uncle Zhang's house has a rectangular piece of land with a width of 35 meters. Due to the need of highway construction, the width of this land has been shortened by 15 meter, so the area has been reduced by 600 square meters. What is the area of this land now?

50. After increasing the length of the rectangle shown in the figure below by 5 meters and shortening its width by 3 meters, does its area increase or decrease? How many square meters have you increased or decreased?

10 meter

15m

5 1. A construction site needs to transport 140 tons of stone. A truck with a load capacity of 10 ton has been transported eight times, and the rest of the stone is transported by a truck with a load beam of 15 ton. How many times will it be transported?

52. Xiaohong's family paid 720 yuan's utilities in the second half of last year. If his average monthly electricity bill is 88 yuan, what is the average monthly water bill?

53. Xiaoming and Xiaoqing are running on the circular track. They started from the same point and went in opposite directions. Xiaoming runs 5 meters per second and Xiaoqing runs 5 meters per second. 100 seconds later, they met for the second time on the track. How long is the track?

54. Two cars, A and B, leave from two places at the same time. The average speed of car A is 90 kilometers per hour, and that of car B is 80 kilometers per hour. How many kilometers are there between the two arrivals?

55. Two cars, A and B, start from the same place at the same time and drive in opposite directions. The average speed of car A is 90km/h, and that of car B is110km. After three hours, how many kilometers are the two cars apart?

56. Aunt's family has a rectangular nursery, which is 50 meters long and 30 meters wide. This year, she increased the length and width of the nursery by 20 meters. What is the area of this nursery now?

57. If the length of a rectangular lawn is increased by 5 meters, its area will increase by 120 square meters, and if the width of this lawn is increased by 6 meters, its area will increase by 180 square meters. How many square meters is this lawn?

58. Two cars, A and B, leave from Nanjing at the same time. Car A travels 70 kilometers per hour, and car B travels 90 kilometers per hour. Seven hours later, the B bus arrived in Shanghai. How far is it from Shanghai at this time?

59. A story book has 326 pages. Xiaohong reads 18 pages every day on average. After three days, the rest read an average of 34 pages a day. How many days does it take to finish reading this book?

60, a set of desks and chairs *** 168 yuan, the school is going to buy 52 sets of desks and chairs with 8,000 yuan, is that enough?

6 1. Two cars, A and B, start from two places at the same time and go in opposite directions. The speed of car A is 85km/h, and the speed of car B is110 km/h. Five hours later, the two cars meet on the way. How long is the road between these two places?