2.250÷5×8=400

3.6×5÷2×4=60

4.30×3+8=98

5.400÷4+20×5= 200

6. 10+ 12÷3+20=34

7.(80÷20+80)÷4=2 1

8.70+( 100- 10×5)= 120

9.360÷40= 9

10.40×20= 800

1 1.80-25= 55

12.70+45= 1 15

13.90×2= 180

14. 16×6= 96

15.300×6= 1800

16.540÷9=60

17.30×20= 600

18.400÷4= 100

19.350-80= 270

20. 160+70=230

2 1. 18-64÷8= 10

22.42÷6+20=27

23.40-5×7= 5

24.80+60÷3= 100

25.4 1+ 18÷2= 50

26.75- 1 1×5= 20

27.42+7-29= 20

28.5600÷80=70

29.25× 16= 400

30. 120×25= 3000

3 1.36× 1 1= 396

32. 1025÷25=4 1

33.336+70= 406

34.25×9×4= 900

35.200-33×3= 10 1

36.3020- 10 10=20 10

37. 12×50= 600

38.25×8= 200

39.23× 1 1= 253

40. 125÷25=5

4 1.4200-2200=2000

42.220+80= 300

43.20×8×5= 800

44.600-3×200=0

45.20+20÷2= 30

46.35-25÷5= 30

47.36+8-40= 4

48.2800÷40=70

49.98÷ 14 = 7

50.96÷24 = 4

5 1.56÷ 14 =4

52.65÷ 13 = 5

53.75÷ 15 = 5

54. 120÷24 =5

55.200÷25 = 8

56.800÷ 16 = 50

57.840÷2 1 =40

58.560÷ 14 = 40

59.390÷ 13 = 30

60.600÷ 15 =40

6 1.72÷24 = 3

62.85÷ 17 = 5

63.90÷ 15 =6

64.96÷ 16 = 6

65.78÷26 = 4

66.5 1÷ 17 =3

67.80÷40 = 2

68. 100÷20 = 5

69. 100÷4 =25

70.240÷40 = 6

7 1.920÷4 = 230

72.300÷60=5

73.64÷2 = 32

74.64÷4 = 16

75.50÷5 = 10

76.60÷8 = 7.5

77.96÷4 = 24

78.90÷6 = 15

79.400+80 = 480

80.400-80 = 320

8 1.40×80 =3200

82.400÷80 = 5

83.48÷ 16 = 3

84.96÷24 =4

85. 160×5= 800

86.4×250= 1000

87.0×5 18= 0

88. 10×76= 760

89.36× 10=360

90. 15×6= 90

9 1.24×3= 72

92.5× 18= 90

93.26×4= 74

94.7× 15= 105

95.32×30= 960

96.40× 15= 600

97.60× 12= 720

98.23×30= 690

99.30×50= 1500

100.5×700=3500

Write an arithmetic problem

46×34= 69×37= 8 1×50=

70×8 1= 74×96= 29×58=

72×75= 93×39= 29×85=

89×52= 17×96= 57×48=

49×46= 82×53= 66×80= 12×63=

62×92= 73×78= 62× 1 1= 66×26=

22×86= 65×5= 85×68= 94× 15=

8 1×80= 56×56= 9×25= 49×4=

4 1×2= 48×82= 6×82= 77×66=

2×95= 39×8= 29×40= 32×55=

87×89= 3 1×34= 5 1×97= 60× 17=

47× 10= 22×59= 74×54= 16×6=

7×4= 14×84= 97× 12= 70×22=

93×25= 32×37=

application problem

1. The construction team built an 8.5-kilometer expressway, with an average of 0.65 kilometers per day. After five days of construction, the remaining roads will be completed in seven days. How many kilometers are built on average every day? 2. The construction team has built an 8.5km expressway, with an average of 0.65km per day. In order to speed up the progress, an average of 0. 1 km will be built every day. How many days will it take to build the remaining roads? 3. The construction team built a 7.8km expressway, originally planned to build 0.65km per day, but actually built 0. 13km more than planned, so it can be completed several days ahead of schedule. 4. The construction team built a road, which was originally planned to be completed in 12 days, but actually built 0. 13 kilometers every day. How many days did it actually take? (actually finished a few days in advance? 5. The construction team originally planned to build a 7.8km expressway in 12 days, but actually built an extra 0. 13km every day. How many days did it actually take? (actually finished a few days in advance? 6. The construction team built a road, which was originally planned to be completed in 12 days, but the actual daily repair was 1.2 times as planned. How many days did it actually take? (actually finished a few days in advance? ) 7. The construction team built a road and actually built 0.78km every day, which was 0. 13km more than originally planned. Originally planned/kloc-completed in 0/2 days. How many days did it actually take? (actually finished a few days in advance? ) 8. The chemical plant originally planned to produce 630 boxes of soap in 9 days, but actually produced 35 boxes more every day than originally planned. How many days did it actually complete the task? (How many days did you actually finish the task ahead of schedule? 9. The chemical plant originally planned to produce 630 boxes of soap in 9 days, and the actual daily output was 1.5 times of the original plan. How many days did it actually complete the task? (How many days did you actually finish the task ahead of schedule? ) 10, the chemical plant originally planned to produce 630 boxes of soap in 9 days, but actually completed the task 3 days ahead of schedule and actually produced it every day.

(1) This fruit shop can import 390 kilograms of apples, bananas and pears a day. The weight of apples is 1.5 times that of pears, and the weight of bananas is 3/4 of that of pears. How many kilograms of each of the three fruits? (2) A pot of water used 1/2 and 5 barrels, leaving 30%. How many buckets of water are there in this water tank? (3) There is a square wood, the fast side is 20 cm long, and it is planed into a cylinder with the largest diameter at the bottom. What is the volume of wood planed out? (4) The length of a steel pipe is10m. Cut off 7/ 10 for the first time, and cut off the remaining 1/3 for the second time. How many meters are left? (5) Assemble radios in two groups. Group A assembles 50 radios every day, and completes 10% of the total task on the first day. At this time, Group B began to assemble 40 radios every day. How many days did it take Group A to complete these tasks? (6) After the highway is built, the total length is 2/3, and the distance is16.5km.. What is the total length of this highway? (7) The master and the apprentice made a batch of parts together, and the apprentice made 2/7 of the total, 2 1 less than the master. How many parts are there in this batch? (8) Two teams build a highway. Team A builds 65438+ 0.5 of the total length every day, and Team B works alone for 7.5 days. If the two teams work together for two days, the rest will be repaired by team B alone. How many days will it take? (9) There is a batch of chemical fertilizers in the warehouse, and 2/5 of the total amount is taken out for the first time, and 1/3 of the total amount is less than 12 bags for the second time. At this time, there are 24 bags left in the warehouse. How many bags are taken out twice? (10) In the distance of 720m, the front wheel turns 40 times more than the rear wheel. If the circumference of the rear wheel is 2m, find the circumference of the front wheel. The number of (1 1) A is 1.2 times the average of three numbers. If the sum of B and C is 99, what is the number of A? (12) There is a project that plans to use 800 workers, and the construction period is 100 days. I didn't expect to stop work due to an accident 35 days after the start of construction, and continue construction 25 days later. How many more workers will be needed if the work is to be completed within the time limit? (13) The fruit shop bought several kilograms of apples at the price of 1.5 kilograms of 2 yuan money and sold them at the price of 2.5 kilograms of 4 yuan money. If the store wants to make a profit of 100 yuan, how many kilograms of fruit must this fruit shop sell? (14) The walking speeds of Party A, Party B and Party C are 30m, 40m and 50m per minute respectively. Party A and Party B are in place A, and Party C is in place B. Both parties walk in opposite directions at the same time. After Party C meets Party B, meet Party A in 10 minutes. How many meters are the two places apart? (15) It takes 15 minutes for Party A to go from the east village to the west village, and 15 minutes for Party B to go from the west village to the east village. Two people set out at the same time and walked towards each other. When they met, the distance was 150 meters, thus finding the distance between the two villages. & lt/P & lt； P>( 16) A car runs 2/5 of the whole course on the first day, and the rest on the second day 1/2. The distance on the third day is less than that on the first day 1/3, and the remaining distance is 50 kilometers. How many kilometers is the journey? (17) The passenger ship sails from Port A to Port B at a speed of 24 kilometers per hour. It took 12 hours for the cargo ship to sail from port B to port A. At the same time, when they met, the ratio of passenger ships to cargo ships was 6: 7, and the distance between the two ports was 6: 7. (18) The distance between Station A and bilibili is1134km. A bus and a truck leave from two stations at the same time and meet at 10 hour and 30 minutes. The speed of a truck is seven-fifths that of a bus. How many kilometers does this bus travel per hour? (19) The number of male employees in an assembly workshop is equivalent to 20% of female employees. It is understood that there are female employees 130 in this workshop. How many male employees are less than female employees? (20) 25 kg of salt water with a salt content of 20%. After adding some water, the salt content is 8%. How much water did you add? (2 1) There are 307 tons of grain in warehouses A, B and C. After 40 tons are shipped out, the surplus grain weight ratio of warehouse A and warehouse B is 3: 5, and that of warehouse B and warehouse C is 3: 4. How many tons of raw grain is there in warehouse C? (22) Workshop A and Workshop B need to process a batch of flour. The ratio of 130% for Workshop A and Workshop B to complete the planned tasks is 8: 5, and Workshop B processes less flour 13.5 tons than Workshop A ... How many tons of flour was originally planned to process? Application problem 2 (1) has two baskets of fruits, and the fruit in basket A weighs 32kg. After taking out 20% from basket B, the weight ratio of the two baskets of fruits is 4:3. How many kilograms were there in the original two baskets of fruit? (2) It is planned to install 120 TV sets. If you install 8 TV sets every day, you can finish the task one day in advance and four days in advance, then how many TV sets should you install every day? (3) The distance between Party A and Party B is 1 152km, and a bus and a truck leave both places at the same time. Trucks run 72 kilometers per hour, 2/7 faster than buses. How many hours did it take for two cars to meet? (4) The school bought a batch of books and distributed them to all classes. If each class is divided into 25 books, there will be 22 more books. If each class is divided into 30 books, there will be 68 books missing. How many classes are there? How many books did you buy? (5) The fruit company stores a batch of apples, and after selling 30%, it delivers 160 boxes, which is more than the original apples110. How many boxes of apples are there? (6) The greening team rebuilt the garden in the center of the street and used it in 900 yuan. Compared with the original plan, it saves 300 yuan and a few percent. & lt/P & lt； P & gt(7) A road construction team built a road. It was originally planned to build 200 meters a day, but it actually built 50 meters more every day. As a result, the task was completed three days ahead of schedule. What is the total length of this road? (8) There is a rectangular ingot with a circumference of 2m at the bottom and an aspect ratio of 4: 1, which is 25% less. Can be cast into a cone with a height of 3 meters. What is the bottom area of the cone? (9) For a conductor, 37.5% of the total length is used for the first time, and 27 meters is used for the second time. At this time, the length ratio of used metal wire to useless metal wire is 3:2. How long is this wire? (10) There are 6 more boys in one class than 5/7 in the whole class, and 4 fewer girls than the whole class 1/4. How many people are there in the class? (1 1) Warehouse A originally stored 50 tons less grain than Warehouse B. After transferring 30 tons of grain from Warehouse A to Warehouse B, the grain storage in Warehouse A was less than that in Warehouse B.1/4 .. How many tons of grain does Warehouse B store now? (12) Diesel oil is put into a cylindrical oil drum. It is known that the bottom of the oil drum has a diameter of 6 decimeters and a height of 10 decimeter. When full, the weight of the bucket is 280 kilograms. It is known that a liter of diesel weighs 0.85 kg, so how many kg does the barrel weigh? (13) A store buys a batch of pens at 10.9 yuan and sells them at 14 yuan. When we sold 4/5 of these pens, we not only recovered all the costs, but also made a profit 150 yuan. How many pens are there in this batch? (14) When processing a batch of parts, the master can process 54 pieces a day, and if the apprentice processes them alone, it can be completed in 17 days. Now two people are working at the same time. When the task is completed, the ratio of the number of parts processed by master and apprentice is 9:8. How many parts are there in this batch? (15) Class 6 (1) The original 1/5 students took part in the labor, and then two students took the initiative to participate, so the actual number of participants was 65438+ the rest 0/3. How many people actually took part in the labor? (16) has *** 100 big balls, 1/3 big balls1/0 small balls 16. How many balls and balls are there respectively? (17) My mother bought 3kg of bananas and 2kg of pears * * * paid 13 yuan. As we all know, the unit price of pears is 2/3 of that of bananas. How much is a kilo of pears? (18) The master and the apprentice made a batch of parts together, and the ratio of the parts made by the master and the apprentice was 9:7. Results When the task was completed, the master made 5/8 of the total, 30 more parts than originally planned. How many parts does the master plan to manufacture? (19) A box of candy * * * has 80 pieces, which are distributed to two brothers. Brother eats his own 1/3, brother eats 10, and then eats 5. The remaining two people are just equal. How much did the two brothers get? & lt/P & lt； P & gt(20) has two ropes, and rope A is 35 meters longer than rope B. It is known that 1/9 of rope A is equal to 1/4 of rope B. How long are these two ropes? Application Problem 3 (1) The circumference of the bottom of a cylinder is 2/3 of the circumference of the bottom of another cone, and the height of this cone is 2/5 of the height of the cylinder. What is the volume of this cone? (2) There is a cylinder/glass, which is measured to be 8 cm upright, and the depth of the medicine is 6 cm, which is exactly 4/5 of the contents of the glass. How much medicine can I add to fill the cup? (3) There are two baskets of apples, and the number of apples in basket A is 365,438+0 less than that in basket B. If seven apples are taken out of basket A and put into basket B, the ratio of apples in basket A to basket B is 4: 7. How many apples are there in basket B now? (4) Party A, Party B and Party C jointly produce a batch of parts. The parts produced by Party A are 1/2 of the total number of Party B and Party C, and the ratio of the total number of parts produced by Party A and Party C to the number of parts produced by Party B is 7: 2. Party C produces 200 parts. How many parts did Party A produce? (5) The worker's master takes five minutes to make a part, and his apprentice takes nine minutes to make a part. After a period of time, the master and the apprentice made 84 parts together. How many parts did each of them make? (6) For a right-angled trapezoid, the ratio of the upper bottom to the lower bottom is 5: 2. If the upper bottom is extended by 2 meters and the lower bottom is extended by 8 meters to become a square, what is the area of the original trapezoid? (7) The ratio of team A and team B is 7: 8. If 30 people are sent from Team A to Team B, the ratio between Team A and Team B is 2: 3. How many people are there in Team A and Team B? (8) It takes 20 hours for a truck to transport goods from the county to the mountains. The time to go back is 0.5 times that of 65438+. It is known that it is12km slower than when it comes back, and the round-trip distance can be calculated. (9) If a project is jointly completed by two construction teams, it will take 65,438+02 days. It is known that the efficiency ratio of two construction teams is 2: 3. If this project is completed by team B alone, how many days will it take? (10) A pile of coal was transported14 for the first time and 120 tons for the second time. At this time, the ratio of the remaining coal to the transported coal is 2/3. How many tons was this pile of coal? (1 1) At the same time, two cars, A and B, were driving in opposite directions from two places and met six hours later. When they met, car A traveled 72 kilometers more than car B, and the speed ratio of the two cars was known to be 3: 2. Find the distance between the two places. (12) Give a batch of chemical fertilizers to villages A, B and C, with village A getting14 and the rest to villages B and C. It is known that village C gets 12 tons of chemical fertilizers. How many tons are there in this batch of fertilizer? (13) Party A and Party B divided a batch of goods according to the ratio of 5: 7. Team B transported 840 tons and completed 4/5 of the team's tasks. Later, due to other tasks, it was transported by team A. How many tons did team A actually transport? (14) Team A and Team B have ***2 10 people. If110 is transferred from Team B to Team A, the ratio of Team A to Team B is now 4: 3. How many people are there in Team A? (15) Three workers, Party A, Party B and Party C, made a batch of parts together. Party A processed 2/5 of the total, which was 125 more than Party B, and the proportion of products processed by Party B and Party C was 3: 2. How many parts are there in this batch? (16) The ratio of freight car speed to passenger car speed is 3: 4, and the two cars are driving relatively from Station A and bilibili at the same time and meet at a distance of 6 kilometers from the midpoint. How far is the truck from bilibili when the bus arrives at Station A? (17) A batch of pesticides came from Coral Township. The first day used 4/7, which was more than the second day 12kg. At this time, the ratio of pesticide consumption to residual amount is 27: 8. How many kilograms does this batch of pesticides weigh?