Article 1 1. A workshop of agricultural machinery factory processes 3420 parts in three groups, with workers 12 in each group. How many parts does each worker process on average? The factory rents 10 vehicles to transport 480 tons of goods, and each vehicle transports 12 times. How many tons does each car transport at a time?
Woodpeckers can eat 645 pests a day, and frogs can eat 608 pests in 8 days. How many pests do woodpeckers eat more than frogs every day?
4. A pile of coal is 160 tons, and four trucks carry 96 tons three times. According to this calculation, how many times can four trucks transport this pile of coal?
The construction team paved a road, and it is planned to pave 90 meters every day, which can be finished in 20 days. Actually, it only took 18 days. How many meters are paved on average every day?
When Qiang Qiang was 8 years old, his father was 32 years old. How old was his father when he was twice as old as Qiang Qiang?
7. Four classes in grade three of a school donated 576 yuan to the disabled, and each donated 3 yuan on average. How many people are there in each class on average?
8. Build a 324-meter-long road, 240 meters for the first 8 hours, and 2 1 meter for the rest of the time. How many hours will it take to complete?
9. It takes 15 yuan to book a TV program for half a year. Uncle Zhang wants to subscribe to a TV program for three quarters. How much will it cost? Cable TV viewing maintenance monthly 16 yuan. How much is it for the whole year?
10. A pile of coal is planned to burn 45 kilograms a day, which can burn for 32 days. Because of saving coal, it burned for 36 days. How many kilograms of coal are actually burned every day?
1 1. The school bought five boxes of badminton, each box 12. I spent 20, how many are left?
12. The school bought three basketballs, and * * * spent 96 yuan; I bought another football and spent 40 yuan. How much does it cost to buy a basketball and a football? What is the difference in unit price between the two kinds of balls?
13. Wang Xia bought a story book with 140 pages and has read 86 pages. The rest of the plan will be completed in six days. How many pages do you need to read every day?
14. The price of chairs is 25 yuan, and the price of tables is three times that of chairs. How much does it cost to buy a chair and a table?
15. There are 58 story books and 34 popular science books in the library corner of the class. How many books do you want to put on four shelves?
16. Lily and Quan Wang made paper cranes at the same time. Lily makes 12 cranes every hour, and Quan Wang makes 14 cranes every three hours. How many paper cranes did two people make together?
17. Students take part in the mountain climbing competition, and the lesbian credits are divided into 4 groups, each with 15 people. There are 76 boys taking part in the competition. How many students took part in the mountain climbing competition?
18. Uncle Wang went into the county and sold 9 rabbits, each 22 yuan. Also sell 1 sheep, get 160 yuan.
(1) How much did Uncle Wang spend on his rabbit and sheep?
(2) Wang bought four bottles of pesticides with the money from selling rabbits and sheep, each bottle was 13 yuan. How much money does Uncle Wang have left?
19. Which bottled oil is cheaper, a barrel of 3 kg oil 42 yuan or a barrel of 5 kg oil 65 yuan?
20. A coat 65 yuan, a pair of pants 28 yuan.
(1) How much is it more expensive to buy four coats than four pairs of trousers?
(2)1Is it enough for 50 yuan to buy two sets of clothes?
extreme
1. An orchard is planted with 125 apple trees, and the number of pear trees is 20 times less than that of apple trees. How many trees are planted in this orchard? 2. A section of road is 324 meters long, 240 meters has been repaired, and the rest is planned to be completed in 4 hours. How many meters are repaired per hour on average?
3. Hong Guang Printing Factory bound a batch of diaries, 960 copies were bound three days ago, and 420 copies were bound every day after 16. How many copies are there in this batch of diaries?
A typist enters 200 Chinese characters in 4 minutes. According to this calculation, how many minutes does it take to input 3000 Chinese characters?
5.3 bags of flour * * * weigh 75 kilograms, and how many kilograms do 8 bags of flour weigh?
6. A steel plant needs 5 tons of water to smelt 750 kilograms of steel. According to this calculation, how many kilograms can a steel mill make by saving 55 tons of domestic water a day?
7.5 boxes of bees can brew 375 kilograms of honey a year. According to this calculation, how many Jin of honey can a 19 box of bees brew a year? How many boxes of bees does it take to brew 1725 kg of honey a year?
8. Two grade students go to buy books. There are 48 students in grade three, each of whom bought two books, and each of them bought three books in grade four. The total number of books bought in grade four is as much as that bought in grade three. How many people buy books in the fourth grade?
9. The workers repaired the road. Forty workers were originally planned, but 45 workers were actually used. The road is planned to be built for 90 days. How many days did it actually take?
10. Xiaohua needs 20 points to walk home from school and 10 points to ride home by bike. Xiaohua walks 45 meters every minute. How many meters does he ride a bike in each branch?
1 1. The school bought 15 boxes of colored chalk, each containing 50 pieces, and used 10 boxes. How many useless branches are left?
12. The first, second and third workshops of Haitian Machinery Factory each produce 6 boxes of parts, each box 120 pieces. How many pieces did a * * * produce?
13. One loom weaves 2 1 m an hour. How many meters do four identical looms weave in five hours?
14. The bus traveled from Nanjing to Shanghai at a speed of 60 kilometers per hour, and it took half the journey in three hours. Because one person in the car is ill, the rest of the journey will take 2 hours. How many kilometers per hour on average?
15. Master Liu processed 4,255 parts in 23 days, and Master Wang processed more than Master Liu every day on average 18. How many parts does Master Wang process every day?
16. A cow in Uncle Li's family eats 50 kg of grass 10 day. According to this calculation, how many days can 155 kg of grass feed this cow?
17. lakeside park cruise ship 18, daily income 1008 yuan. According to this calculation, there are now 26 cruise ships, how much income will be increased every day?
18. The factory has to process 360 parts, and Wang Can Jr. finished it in five days. How many parts can he process in eight days at this speed?
19. I read a story book, 20 pages a day, and I read half of it in 5 days. How many pages are there in this book?
20. The teacher bought six pens, which cost three times as much as ballpoint pens, and the price of ballpoint pens was 2 yuan. How much did the teacher spend on this pen?
Tisso
1. There are two iron wires, the first one is 35 meters long, and the second one is 4 times 2 meters longer than the first one. How long is the second one? 2. The road team has built a road with a length of 1 1,500m, and has already built 500m. It will be repaired in the remaining six days. How many meters will be repaired on average every day?
The track of the sports ground is 400 meters, and Uncle Wang insists on running two and a half laps every day. How many meters does he run every day?
Xiaoli walks for about 5 minutes. She walked 540 steps from home to school. Calculate, how many meters is it from her home to school?
5. Light blue height 134 cm, Dongdong is 5 cm higher than light blue. How many centimeters is Dongdong tall?
6. There are 257 boys and 235 girls in the third grade of Red Scarf Primary School. There are 387 people who have undergone physical examination. How many people have not had a physical examination?
7. The library has lent out 456 books, and there are 207 books left, and now it has returned 285 books. How many books are there in the library now?
8. Red Scarf Primary School bought 380 balls and 70 soccer balls, and borrowed 423 balls during extracurricular activities. How many balls are left in the school now?
9. Class 3 (2) donated 400 books, and there are 273 books left. Now it has bought 125 books. How many books are there in Class Three (2)?
10. Dongdong wants to use 3 10 yuan to buy a scooter, which has been deposited in 200 yuan. If he deposits in 30 yuan every month, a few more months will be enough.
1 1. The students of Dongfanghong Primary School donated 900 books for Project Hope, including 326 story books, 475 science books and the rest comic books. How many comic books are there?
12. The side length of a square is 8 cm. If its side length increases by10cm, how many centimeters will its perimeter increase?
13. The circumference of the rectangular playground is 400 meters, and the length is three times the width. What is the length and width of this playground?
14. There are two identical rectangles with a length of 8 decimeters and a width of 4 decimeters. If you put them together into a rectangle, what is the circumference of the rectangle? What is the circumference of a square if it is spelled into a square?
15. Dongdong borrowed a 40-page science and technology book and returned it a week later. He intends to read six pages every day. Can he return it on time?
16. There are 44 students in Class 3 (2). The teacher is going to divide them into eight groups for discussion. How many people are left in each group?
17. A piece of 4-meter-long cloth can be cut into five vests of the same size. How much cloth does it take to make a vest?
18. A baby elephant weighs 4 tons. How many elephants can a large truck with a load 10 ton transport at a time?
19. 632 bags of dry bottles were sold in Hongqi chain store, 385 bags were sold and 200 bags were shipped. How many bags of dry bottles are there in the shop at this time?
20. The school bought an exercise book of 8 10, and took it away from the first grade 168 and the second grade 165. How many books are left?