Application questions in the second volume of the fourth year 2011-08-09 09:23:22| Category: Default Category| Tags: |Subscription font size large, medium and small.
1. The agricultural implement factory wants to produce 20,640 pieces of small agricultural implements, half of the 120 days are completed, how many pieces are produced per day on average?
2. A shoe factory produces 3,860 pairs of men's shoes, twice as many women's shoes. How many pairs of women's shoes are produced?
3. 840 meters have been repaired, and there are still 120 meters to repair. How many times has it been repaired?
4. 38 militiamen practiced target shooting and hit a total of 1,026 rings. How many rings did each militiaman hit on average?
5. The length of the railway from Nanjing to Jinan is 540 kilometers. A train leaves Nanjing and arrives in 9 hours on average.
6. The groupbreeder raised 64 white rabbits, four times more than gray rabbits. How many gray rabbits were bred?
7． The speed of the car climbing the mountain was 36 kilometers per hour, and it took 5 hours to reach the top of the mountain. It only took him 4 hours to return the same way. How many kilometers per hour does the car travel on average when going down a mountain?
8． The experimental primary school must purchase a composition textbook at a cost of 12 yuan for each of its third and fourth grade students. We know that there are 145 students in the third year and 155 students in the fourth year. How many yuan are needed in total for the two years?
9． Flower bouquets cost 30 yuan, buy 5 bouquets and get one free. Aunt Wang buys 5 packs at a time. How much does each package cost?
10. Each 12 kilograms of coal can produce 24 kiloswatt hours of electricity. If a factory saves 1,440 kilograms of coal every day, how many kilowatt hours can it produce?
11. The Wuhan battery factory can produce 2,400 batteries per day, and 600 cells can be packed in a box. How many boxes of batteries can it produce per day?
12. The highway between A and B is 270 kilometers long. How many hours does it take a car to cover the distance at a speed of 45 kilometers per hour?
13. Place red flags on one side of the sports field, every 5 meters. A total of 13 sides are inserted from one end to the other. How long is one side of the sports field? (5 points)
14. The store shipped 43 baskets of oranges in the morning and 28 baskets of oranges in the afternoon. The average weight of each basket of oranges was 52 kilograms. shipped to this store in total?
15. There are two classes in the third year. Each class has 45 students.In total, 810 kilograms of vegetables are cut on average.
16. The school plans to purchase 25 computer desks and 25 swivel chairs. Each computer desk costs 750 yuan and each swivel chair costs 250 yuan. The school prepared 24,000 yuan.
17. An elephant weighs approximately 5,408 kilograms. Its weight is 208 times that of a monkey. (Answer in two ways)
18. The school brought 1,200 saplings if 24 trees are planted in each row, how many rows can be planted? (Use two19. There are 523 teachers and students in the school participating in tree planting work. If 70 people are divided into a group, how many groups can they be divided into at most?
< p>20. Use a computer to type a 466-word article. Honghong can type 60 words per minute and Congcong can finish typing in 7 minutes.21. Uncle Wang harvested 358 kilograms of appless, 270 kilograms of pears and 196 kilograms of plums. Apples weigh 40 kg per carton, pears 30 kg per carton and plums 20 kg per carton. Do the math: How many boxes are needed to package these types of fruits?
22. Plant trees along a 180 meter long path, one every 20 meters. How many trees should you plant in total?
23. Is it enough for 8 of us to buy tickets for 260 yuan? (How many methods can you calculate?)
24. This car travels 18 meters per second. The length of the car is 18 meters. The tunnel is 324 meters long. go through the tunnel for how long?
25. Chunguang Grain and Oil Company wants to export 680 tons of grain. How many 22 ton containers are needed? If you choose a 17 ton container, how many do you need?
26. The highway from Shijiazhuang to Chengde is 546 kilometers long. The Honghong family is stupidWent from Shijiazhuang to Chengde to visit the summer resort. If they drove an average of 78 kilometers per hour and left at 8 a.m., when would they arrive?
27. A rectangular vegetable garden is 9 meters long and 6 meters wide. This vegetable field harvested a total of 972 kilograms of vegetables. How many kilograms of vegetables can you harvest on average per square meter?
28. The Shanghai Oriental Pearl TV Tower is the tallest TV tower in Asia, with a height of 468 meters. The first floor building has 12 floors and is 39 meters high. The height of the TV tower is equivalent to the height of several 12-story residential buildings?
29. The 4 cows raised by Grandpa Wang produce 896 kilograms of milk every week. How much milk does a cow produce on average per day?
30. Four cars transport 960 bags of cement three times. How many bags of cement each wayture carries on average?
31. (1) Each classroom in Shuibo Primary School has 3 windows, and each window is equipped with 12 pieces of glass. How many pieces of glass are installed in the 9 classrooms?
(2) Yangliu Primary School has 12 classrooms, each classroom has 3 windows, and a total of 324 pieces of glass are installed. How many pieces of glass are installed on average per window?
32. Xiaohong bought 2 boxes of mung bean cakes, weighing 1 kilogram in total. Each box contains 20 pieces. How many grams does each piece weigh on average?
33. If a bus starts from Zhangcun and travels 60 kilometers per hour, it can reach Lizhuang in 4 hours. It only took 3 hours to arrive. How many kilometers per hour does this car travel on average?
34. Baita village plans to build a canal if it is built 16 meters per day it can be acheve in 18 days. We repaired 24 meters on the first day. Based on the progress of the first day, how many days will it take to complete the repair?
35. Hongguang Hotel bought 100 towels. 6 yuan each. If I use this money to buy a towel worth 8 yuan, how many towels can I buy?
36. A pack of A4 copy paper, of which 25 sheets are used every day, will be used up in 20 days. If you use 5 fewer sheets each day, how many days will it last?
37. A professional beekeeper raised 24 boxes of bees this year. Last year, 5 boxes of bees produced 375 kilograms of honey. Based on the amount of honey produced last year, how many kilograms of honey can be produced this year?
38. Dongdong's family grew a total of 135 plants on 15 square meters of land. Based on this calculation, how much land is neededhow to grow 990 plants?
39. Hongshi Village Primary School is divided into 6 groups to water the trees. Each group has 4 people. In total, 360 trees are watered on average.
40. The number of eggs in a carton is three times the number of eggs in a basket. There are 96 eggs in a box. How many eggs are there in 6 baskets?
41. A train travels on average 71 kilometers per hour before accelerating. It takes 12 hours to travel from Qinhuangdao to Handan. After accelerating, it travels on average 95 kilometers per hour. , it takes approximately how many hours to go from Qinhuangdao to Handan Hour?
42. Aunt Wang is a skilled children's clothing designer and can make 75 sets of children's clothing per week. We now have a 5 day work week. (1) According to this calculation, how many sets can be completed in 15 days?
(2) How many days does it take to conmake 120 sets of children's clothing?
43. A long-distance bus from Beijing to Qingdao passed through Tianjin and Jinan on the way. The train leaves Beijing at 6:30 a.m. and travels an average of 85 kilometers per hour. Approximately when will it arrive in Qingdao?
Beijing to Tianjin is 137 km; Tianjin to Jinan is 360 km; Jinan to Qingdao is 393 km away.
44. Sunshine Primary School has 960 teachers and students, and a total of 60 tonnes were used in June. (1) How many tons of water does the school use on average each day?
(2) Based on this calculation, how many people can use 1 ton of water per day?
How about a month?
45. 125 male and 119 female students were led by 3 teachers to visit the history museum. During the visit, they could only enter in batches. A maximum of 50 people at a time. After all, at least 50 people were allowed in.
46. A bookof stories has 448 pages. It took Mingming 16 days to read it. Fangfang read 4 pages more than Mingming every day.
47. In order to carry out sports activities in class, course fees are used to purchase basketballs and volleyballs. It is known that the purchase of 3 basketballs and 2 volleyballs will cost 161 yuan. basketballs and 5 volleyballs, it will cost 161 yuan 245 yuan, how much does a basketball cost? How much does a volleyball cost?
48. He is obviously a child who loves to learn. He does oral arithmetic problems every day except Sunday. If he does 300 arithmetic problems per week, calculate it like this,
48. >(1) How many courses can you take in three weeks?
(2) How many days can 650 questions be answered?
49. One titmouse can eat about 800 birds in 5 days.Pests, based on this calculation, how many pests can one titmouse eat?nger in a month? (A month is 30 days.)
50. A long-distance bus traveled 174 kilometers in 3 hours. At this speed, how many kilometers can he travel in 12 hours?
51. Grandpa Zhang bought 3 lambs for 75 yuan. He wants to buy 5 more lambs like this. How much money does he need to prepare?
54. Five boxes of bees can produce 375 kilograms of honey in a year. Xiaolin's family has 12 boxes of bees like this. How many kilograms of honey can be produced in a year?
55. 180 young pioneers from Yuying Primary School helped military families perform good deeds on “Love Day”. These young pioneers are divided into 5 teams on average, and each team is divided into 4 groups for activities. How many young pioneers are there in each group on average?
56. Uncle Liu brought 700 yuan to buy fertilizer andbought 16 bags of fertilizer, leaving 60 yuan. How much does each bag of fertilizer cost?
57. The eggs collected by Chunya Chicken Farm on Monday are packed in an 18 kilogram box. After packing 8 boxes, there are still 16 kilos left. How many kilos of eggs were collected on Monday?
58. Uncle Wang drove from the county seat to Wangzhuang to deliver fertilizer. It took me 3 hours to travel 40 kilometers per hour when I arrived, and only 2 hours when I returned. How many kilometers per hour do we travel on average on the return journey?
59. A tourist bus traveled through the plains and mountains for 2 hours each, and finally reached the top of the mountain. We know that a tourist bus can travel 50 kilometers per hour in plains and 30 kilometers per hour in mountainous areas. How long is this trip?
60. The school will add two new books to the library, 3 sets of each. We know that “The Encyc"Children's Poedia" costs 125 yuan per set and "Mathematical Conjecture" costs 18 yuan per set. How much does it cost in total?
61. The school plans to distribute workbooks to 15 classes, 144 copies per class, and 40 copies will be kept as backup. How many notebooks should a school buy?
62. A sapling costs 16 yuan, buy 3 and get 1 free. If I buy 3 trees at a time, what is the price per tree?
63. Shampoo costs 15 yuan per bottle. The mall is running promotions, buy 2 bottles, get 1 free. If you buy 2 bottles at a time, how much cheaper is each bottle?
64. The school built a new flower bed 35 meters long and 15 meters wide. If 15 roses can be planted per square meter, how many roses can be planted in this flower bed?
65. An elephantns the park needs to eat 350 kilograms of food per day. The guard prepared 5 tons of food. Is this enough for the elephant to eat for 20 days?
66. There are 1,028 students in one school, 189 have graduated from sixth grade and 208 new students are enrolled in first grade. How many students are there currently in the school?
67. When Xiaochen calculated a division equation, he considered the divisor 30 to be 36, and the calculated quotient was 5. What should be the correct result?
68. Plant 75 peach trees around a circular pond and plant 2 pear trees between two peach trees. How many pear trees can you plant?
69. There are two types of vans A and B. Van A can accommodate 12 people, and the rent is 120 yuan each. Van B can accommodate 18 people. The rental fee is 160 yuan per vehicle. There are 58 people in the travel group. How to save the mostmoney by renting?
70． To celebrate the New Year, the pedestrian street is decorated with lights and colorful decorations. A red lantern is hung every 10 meters from one end of the street to the other (both ends are suspended). The pedestrian street is 600 meters long. . If red lanterns are hung on both sides of the street, then in total How many red lanterns?
71. There are two baskets containing an equal number of apples. Take 12 apples from basket A and put them in basket B. At this time, the number of apples in basket B is three times that of basket A. How many apples A and B originally contain . to have?
72． There is a poplar tree every 5 meters on the side of the road. Xiaoping saw 121 poplar trees in 3 minutes of driving. How many meters per hour did the car travel?
73. 4794 is 47 times what number? The number A is 850, which is 50 less than the number B. What is the numberB?
74. I bought rice at the canteen and ate 240 kilos of it, I had 160 kilos left. How many kilos of rice did you buy?
75. 115 fourth grade students took a fall field trip. Buses are limited to 44 people per car, and the rent is 50 yuan per vehicle; the rent is 12 yuan per vehicle. Can you design a reasonable and most economical car rental plan? (Write your plan)
76. Grandpa is 72 years old this year, exactly 6 times Xiaodong's age. How old is Xiaodong this year?
77. A square swimming pool with a circumference of 240 decimeters, what is its side length in decimeters?
73. The garment factory produced 7,600 folders, each 4 out of 5 pieces. The binding team ordered a batch of books, ordered for 48 hours, packed a pack, 25 packs per box , a total of 400 books can be bound on average per hour. How many boxes are loaded par time? How many hours will it take to bind 600 books?
74. A certain workshop plans to produce 700 parts in 25 days, but actually produces 35 parts per day. Based on this calculation, please explain whether the task can be completed on time. .
75. 328 fifth grade students from Chengguan Primary School went to visit the Agricultural Science and Technology Demonstration Park, and 48 of them have already visited it. How many minibuses are needed for the remaining 20 people to take a minibus?
76. The school planted potted flowers. If 3 pots are placed in each classroom, 24 classrooms can be accommodated. If 4 pots are placed in each class, how many classes can be placed?
77. 36 students and 2 teachers from class 4 (2) went to visit the park.
①Before them, a family of three (2 adults and 1 child) bought tickets for 38 yuan. We know that an adult ticket costs 15yuan. Do you know how much a child ticket costs? (3 points)
②Now teachers spend 300 yuan to buy tickets, is that enough? (Answer after calculation) (3 points)
78. Fourth and fifth graders must plant 220 trees. There are three classes in fourth grade and each class plants 28 trees. The rest was distributed among the four fifth-grade classes. How many trees did each class plant on average?
79. The fruit store brought back 3 baskets of apples, 4 baskets of peaches and 5 baskets of pears. apple per basket weighs 42 kilograms, each basket of peaches weighs 46 kilograms, and each basket of pears weighs 38 kilograms.
① How many kilograms heavier are peaches than apples? (3 points)
②How many kilograms did the transported pears and peaches weigh in total?
80. The Young Pioneers planted 882 willows, four times more than the poplars they plantedhave planted. How many poplars are planted?
81. 6,300 grams of young trees are transported from the nursery. How many rows can be carried for 70 trees? How many rows can be transported for 700 trees?
82. 288 fourth grade students participate in social practice. They are divided into 3 teams on average, and each team is divided into 12 groups. How many people are there on average in each group?
83． A long-distance bus travels 174 kilometers in 3 hours. At this speed, how many kilometers can he travel in 12 hours?
Use 84 sets of triangles to draw an angle of 135 degrees. (Indicate in the picture which angles are composed of degrees)
85. The engineering team wants to build a bridge from point A to the other side of the river. How to build the bridge in the shortest way? Draw the lines.
86. There are 52 people in class 4 (1), 51 people in class 4 (2)and 49 people in class 4 (3). How many people are there on average in each class?
87. I have been reading a 200 page story book for 3 days, I read 35 pages every day. How many pages are left to read?
88. A batch of 550 kilograms of rice was shipped from the canteen. It is expected to be consumed in 15 days. If 87 kilograms are consumed in 3 days, is this batch of rice enough to eat?
89. The waterway between ports A and B is 504 kilometers long. Xiao Ming boarded the boat from A at 7:00 a.m. and arrived at B at 9:00 p.m. boat trip on average?
90. The supermarket shipped 5 boxes of bananas, sold 56 kilograms and left 34 kilograms. How many kilos does each box of bananas weigh?
91. A box can contain 35 kilograms of oranges. Now there are two piles of oranges, one weighs 114 kilograms and the other weighs 166 kilograms. How many boxes should you prepare?total ? (5 points)
92. Xiaoping has a collection of 48 books, three times the number of Xiaogang's books. How many books does Xiaogang have? (List the equations containing unknown numbers first, then solve them)
93. Two people A and B leave from two places at the same time. A walks 65 meters per minute and B walks 50 meters per minute. . After 9 minutes Still 20 meters apart. How many meters are there between the two places?
94. Use a car to transport a pile of goods. The original plan was to transport 120 tonnes per hour and this could be achieved in 9 hours. However, the actual transport was 90 tons per hour. how many hours could it be completed?
95. The students planted trees, 24 trees in each row, exactly 6 rows. If 6 fewer trees were planted in each row, how many rows would need to be planted?
96. There are 250 boys inn a primary school, and there are 100 girls, less than twice the number of boys. How many more girls than boys are there in this school?
97. The theater seats 980 downstairs, but there are 640 fewer seats upstairs than downstairs. How many tickets can this theater sell for a show?If the ticket price is 20 yuan per ticket, how many yuan can be earned from a showing?
98 Use your preferred method to draw the angles 70° and 135° respectively.
There are three wires coming out of the power station: A B C. The neutral wire is grounded at the power station
Next, it is transported through the cables and reaches the transformer, for example, near a residential transformer area.
The transformer converts high voltage to low voltage 220V or 380V. For 220 V residential electricity, the transformer produces 4 wires: A B C and a neutral wiree. The neutral wire is grounded at transformer ABC. Only one of them reaches your house, plus the neutral wire, or 2 wires, live. wire and neutral wire. The live wire is live and the neutral wire is not. Also, neutral line and ground line are not the same concept.
The current direction shown in my diagram is one of the instantaneous directions, because the electricity we use is alternating current, right? The other situation is the opposite direction.
In addition, regarding the loop, the neutral wire is connected to earth, and earth is a good conductor, doesn't this form a loop
Have a look ? isn't your bulb just two wires? A live wire and a neutral wire, what does the manual say? Two wires in, two wires out? You draw a picture and I'll take a look