2, a basket of apples, with a basket of * * * weighing 35 kg, first give half to the kindergarten children, then give half to the first grade children, and the rest of the apples weigh 1 1 kg. How much does this basket of apples weigh?
There is some oil in the oil drum. If the oil is doubled, the oil drum will weigh 38 kilograms. If the oil quadruples, the oil and barrels here weigh 46 kilograms. How many kilograms of oil are there in the oil drum?
There are as many oranges in five wooden boxes. If 60 oranges are taken out of each wooden box, the sum of the remaining oranges in five wooden boxes is equal to the sum of the oranges in the original two wooden boxes. How many oranges are there in each wooden box?
There are five boxes of biscuits in a food store. If 20kg is taken out of each box, the remaining biscuits in five boxes are exactly equal to the weight of the original three boxes. How many kilograms of biscuits are there in each box?
6. There are two bags of sugar, 68 in one bag and 20 in the other. How many times can I take six pills from an extra bag and put them in a less bag to make two bags of sugar equal?
7. The sum of numbers A and B is 1 12. The quotient of the number a divided by the number b is 6. What are the numbers A and B respectively?
8. The circumference of a rectangular blackboard is 96 decimeters, and its length is three times its width. What is the length and width of this rectangular blackboard?
9. Uncle Li raised 960 chickens, ducks and geese, three times as many as geese and four times as many as ducks. How many chickens, ducks and geese have you raised?
10, the sum of a, b and c is 360, a is three times that of b, c is twice that of b, what is a, b and c?
1 1. There are 560 pencils, pens and ballpoint pens in the shop. There are three times as many ballpoint pens as pens, and as many pencils as ballpoint pens. How many pencils, pens and ballpoint pens are there?
12, the sum of a, b and c is 400. A is three times that of B, and C is four times that of A. What are A, B and C?
13, three steel plates * * * weigh 62 1kg, the weight of the first one is three times that of the second one, and the weight of the second one is twice that of the third one. How many kilograms does each of the three steel plates weigh?
14, team a, team b and team c * * * shop 1200m. The rice repaired by team a is twice that of team b, and the rice repaired by team b is three times that of team c. How many meters have each of the three teams repaired?
15, Xiao Ming from Obana took part in the math contest, and they got 168. Xiaohua's score is 42 points less than Xiaoming's twice. How many points do you each get?
16, the school bought 720 books and distributed them to senior, middle and junior grades. The senior grade took eight more books than the junior grade, and the middle grade took four more books than the junior grade. How many books are there in senior, middle and junior grades?
17, three tree planting teams planted 1900 trees. Team A planted twice as many trees as team B. Team B planted 300 fewer trees than team C. How many trees did the three teams plant?
18, the sum of three numbers is 1540, the number of A is 7 times that of C, and the number of B is 40 more than A. What are these three numbers?
There are 95 basketballs, soccer balls and volleyball balls in Chengdong Primary School * * *, 19, of which 5 are less than volleyball balls, and the number of volleyball balls is twice that of basketball balls. How many basketball, football and volleyball are there?
20. A refrigerator factory wants to produce 1560 refrigerators. It has been in production for 8 days, and 120 refrigerators are produced every day. The rest will produce 150 units per day. How many days will it take to complete this task?
2 1. A factory plans to produce 36,500 sets of bearings, with an average of 2 100 sets per day for the first five days. Later, the operation mode was improved, with an average of 2600 sets per day. How many days does it take to complete the production task of these bearings?
22. A machine tool factory plans to produce 40 machine tools every day and complete the task in 30 days. Now we must finish the task 10 days in advance. How many units will we produce every day?
23. Master Zhang started making 90 toys at the same time. Master Zhang makes 10 toys every day. When completing the task, Li Shifu must do 65,438+0 days to complete the task. How many does Li Shifu make every day?
24. Xiao Ming of Oubana began to write 192 Chinese characters at the same time, and Xiaohua wrote 24 Chinese characters every day. To complete the task, Xiao Ming has to write for 4 days. How many words does Xiaoming write every day?
25. Fenghua Farm Tools Factory planned to produce 2,400 farm tools in 20 days, but actually produced 30 more farm tools every day, so as to finish the task several days ahead of schedule.
26, there are two bags of flour, the first bag of flour is 24 kg, and the second bag of flour 18 kg. How many kilograms are taken from the first bag and put into the second bag, so that the weight of flour in the two bags is equal?
27. There are two boxes of thumbtacks, 72 in box A and 48 in box B. How many times do you take four from box A and put them in box B to make the two boxes equal?
28. A workshop in the toy factory will produce 900 toys. If it is done by hand, it takes 20 hours to complete, and it only takes 4 hours to use the machine. The workers in the first workshop did it by hand for 5 hours, and then turned to the machine for production. How many hours will it take to finish this task?
29. The distance between A and B is 200 kilometers. It takes 5 hours by car and 40 hours on foot. Zhang Qiang started from a place, first by car for 4 hours, and then on foot. How many hours did it take him to go from one place to another?
30. The distance between A and B is 300 kilometers. It takes five hours to ride a motorcycle and 25 hours to ride a bike. Wang Liang starts from City A, first by bike for 5 hours, then by motorcycle. How many hours did it take him to get from City A to City B?
1. A has 14.8 yuan and B has 15.2 yuan. They want to buy a football together. The price of a football is twice their money. How much is a football? How much are they short of?
2. A machine plows 15 hectares in 3 hours. According to this calculation, how many hours does it take for five machines to plow 75 hectares?
There are 14 boxes of duck eggs in the shop. Sold 250kg, leaving 4 boxes and 20kg. How many kilograms are there in each box of duck eggs?
4. bright primary school donated books to mountain students, with 240 books in grade four, twice as many as in grade five, and more books in grade six than in grade five 120. How many books did he donate per grade on average?
The grain store delivered 20 bags of rice and 20 bags of flour, 90 kilograms of rice and 25 kilograms of flour each. How many kilograms more rice is brought in than flour? (Answer in two ways)
6. The length of the two ropes is 48.4 meters. After cutting 6.4 meters from the first rope, the second rope is 6 meters more than the remaining two of the first rope. How long are the two ropes?
1. Students in the fourth and fifth grades collect tree species, and the fourth grade collects tree species 18.6 kg, which is 2.5 kg less than that in the fifth grade. How many kilograms of tree species were collected in the second grade?
A workshop used to consume 2450 kWh of electricity every month. After the energy-saving activities, the original electricity consumption for one year can now be increased by two months. How many kWh of electricity does this workshop save on average every month?
1. Students take part in tree planting activities. There are 96 students in Grade 4 * * * with 3 trees each, and 87 students in Grade 5 with 4 trees each. How many more trees were planted in the fifth grade than in the fourth grade?
2. The scores of six students in the first group were 86, 79, 98, 100, 89 and 94 respectively. What is their average score?
3. The car travels for 3 hours 135km, and the plane is 28 times faster than the car and flies 60km less. How many kilometers does this plane fly per hour?
1. A clothing factory produced 850 suits in five days. According to this calculation, how many suits are produced a month? (30 days a month)
2. The store delivered 8 baskets of apples, 12 baskets of pears, with 38kg apples and 42kg pears in each basket. How many kilograms of fruit did this shop ship?
3. A construction site needs 240 tons of cement, which will be transported by five vehicles. Each car carries 3 tons at a time. How many times does it take to transport it? (There are two comprehensive solutions)
1. The distance between Party A and Party B is 750km. How many hours can a car travel at 50 kilometers per hour to reach Party B? (List the equations with unknowns and solve them again)
Obana Xiaolin has 12 pencils, and Xiaogang and Xiaohong have 20 pencils. How many pencils do they have on average?
1. A grade three or four primary school needs to water 620 trees. In the third grade, 40 trees should be watered every day for 8 days. The rest will be watered in the fourth grade. How many trees will be watered every day after five days?
2.3 The loom weaves 336m in 4 hours. According to this calculation, how many meters does 1 loom weave in 8 hours? The distance between Party A and Party B is 560 kilometers. One car travels from Party A to Party B at a speed of 48 kilometers per hour, and the other car travels from Party B to Party A at a speed of 32 kilometers per hour. How many kilometers apart are the two cars five hours after they leave the two places?
A section of highway was originally planned to be completed in 20 days. Actually, 45 meters are built every day more than originally planned, and the task is completed five days ahead of schedule. How many meters was originally planned to be built every day?
1. 523 teachers and students participated in the tree planting activities. If 70 people are divided into a group, how many groups can they be divided into at most?
2. Enter a 466-word article by computer. Red can input 60 words per minute, and Congcong can finish it in 7 minutes. Who gets in faster?
3. Uncle Wang's orchard harvested 358 Jin of apples, 270 Jin of pears and 0/96 Jin of plums. Apples are 40kg per box, pears are 30kg per box and plums are 20kg per box. Let's calculate: How many cartons do you need for each of these fruits?
4. Plant trees along the road with a length of 180m, and plant a tree every 20m. How many trees do I need to plant?
Is it enough for eight of us to buy tickets with 260 yuan money? There are several ways to work it out.
6. Vehicle speed per second 18m, vehicle length 18m, tunnel 324m. How long does it take for the car to pass through the tunnel?
7. Chunguang Grain and Oil Company wants to export 680 tons of grain. How much do you need if you use a 22-ton container? How many 17 ton containers do you need?
The expressway from Shijiazhuang to Chengde is 546 kilometers long. The Honghong family drove from Shijiazhuang to Chengde to visit the summer resort. If they drive an average of 78 kilometers per hour and leave at 8 am, when will they arrive?
9. A rectangular vegetable field is 9 meters long and 6 meters wide. This vegetable field receives 972 kilograms of vegetables. How many Jin of vegetables do you collect per square meter on average?
Shanghai Oriental Pearl TV Tower is the tallest TV tower in Asia, with a height of 468 meters. The first floor 12 floor is 39 meters high. The height of the TV tower is equivalent to the height of several 12-story residential buildings.