2. There are 24 poplars and 18 locust trees in the campus. The number of willows is 6 more than the total number of poplars and locust trees. How many willows are there?
3. Xiaohua has 12 stamps, Xiao Ming has 15 stamps, and Xiao Lin's stamps are twice as many as Xiao Ming's total in Oubana. How many stamps does Xiao Lin have?
4. There are 36 story books and 2 1 science and technology books in the book corner of Class One, Grade Three. These two books are more than comics 14. How many comic books are there?
5. The school bought 12 bottles of red ink. The black ink is 3 bottles less than the red ink and 2 times more than the blue ink. How many bottles of blue ink are there?
6. Mom bought some fruits. There are 20 apples, 5 fewer pears than apples and 2 more oranges than pears. How many oranges are there?
7. On National Day, students made 30 yellow flower rings, with 12 green flowers missing and 54 red flowers added. How many times is the red wreath more than the green one?
8. There are 35 school choirs, with 7 more dancers than choirs. How many people are there in the two groups?
9. There are 12 people playing basketball on the playground, 3 people playing football are less than those playing basketball, and how many people play basketball and football?
There are five tigers in the zoo, and the number of deer is three times that of tigers. (1) How many deer are there than tigers? (2) How many deer and tigers are there?
Class 3 1 1 Class 45, including 26 girls. How many boys are less than girls?
12, Xiaohong and her brother add up to 20 years old. My brother is 12 years old. How old is my brother than Xiaohong?
13. There are 8 big monkeys and 15 small monkeys in the zoo. Peacocks are less than monkeys 16. How many peacocks are there?
14. My sister has 9 science books and 23 story books. My sister has three times as many books as my sister. How many books does my sister have?
15. There are 8 buses and 5 trucks in the parking lot. There are 8 more cars than buses and trucks combined. How many cars are there?
16, a batch of bicycles arrived at the store. On the first morning, 10 was sold, in the afternoon, 12 was sold, and on the second day, 17 was sold. How many cars were sold less than the first day?
17. In the past, clothing stores made 75 sets of clothes in five days, but now they make 18 sets every day. How many more suits do they make now than in the past?
18, a basket of pears weighs 25 kilograms, a basket of apples weighs 5 kilograms, a basket of bananas weighs 10 kilograms, and how many kilograms does a basket of bananas weigh?
19, kindergarten bought 15 boxes of pencils, bought 3 more crayons than pencils, and bought 2 times more watercolor pens than crayons. How many boxes of watercolor pens did you buy?
My mother is 32 years old, 24 years older than Xiaoling, and my grandmother is 72 years old. How many times is grandma's age Xiaoling?
2 1, students do group gymnastics. There are 6 rows of girls with 8 people in each row and 32 boys. How many more girls than boys?
Twice as many as the football team. How many people are there in the track and field team?
22. There are 24 gray rabbits and 32 black rabbits in the rabbit farm, and the number of white rabbits raised is three times that of gray rabbits. How many white rabbits are there than black rabbits?
23. The students went to visit the exhibition. There are 48 students in grade one, and there are more students in grade two 16 than in grade one, and 20 students are less than in grade three. How many people are there in grade three?
24. The school bought 3 packs of chalk, each pack 12 boxes, and distributed them to 9 classes on average. How many boxes were assigned to each class?
25. A basket can hold 5 kilograms of fruit. Now there are 25 kilograms of grapes and 30 kilograms of bananas. How many baskets do you need?
26. There are 85 young pioneers in the third grade, and 27 more in the fourth grade than in the third grade. How many young pioneers are there in Grade Two?
27. There are 16 sheep on the hillside, 4 more than goats. How many sheep are there in a * * *?
28. Obana Xiaoming kicked the shuttlecock. Xiaohua kicked it 23 times. Xiaoming kicked it twice as often as Xiaohua. How many times did they kick it together?
29. Aunt Li has seven cocks, and the hens she raises are four times as many as cocks. How many hens are there?
30. This shop has a batch of washing machines. Eight sets were sold, and the rest were sold three times. How many washing machines are there?
3 1, 46 willows and poplars, and 0/8 poplars. How many poplar trees are fewer than willow trees?
32. A book has 56 pages, and Xiao Ming has read 29 pages. If you read 9 pages a day, how many days will it take you to finish the rest?
33. Master Wang plans to process 50 machine parts, working for 6 hours and processing 7 pieces per hour. How much is left unfinished?
34. There were 23 passengers on a bus, 4 people got off at Shengli Street, and others got on the bus. There are 28 passengers in the car at this time. How many people got on the bus?
35. I bought three bags of rice in the canteen, each weighing 25 kilograms. I ate some of them and left 30 kilograms. How many kilograms did you eat?
36. The school science and technology team 18 people, the photography team 9 people, and the chess team is twice as large as the science and technology team. How many times are there in the chess team than in the photography team?
There are 8 basketballs and 20 Xinjiang balls in the gymnasium. The total number of basketball and football is five less than that of badminton. How many footballs are there?
38. Xiaoming goes to school and comes and goes by bike. Rhyme time is 26 minutes. If you go by bike and walk when you come back, it will take 40 minutes. How many points does it take to walk back?
39. There are some colored chalk. Yellow chalk is 6 more than green chalk, and red chalk is 8 more than yellow chalk. The number of branches of red chalk is exactly twice that of green chalk. How many pieces of green chalk, red chalk and yellow chalk are there?
40. There are four cranes in the lake, the number of geese is three times that of cranes, and the number of ducks is 15. How many cranes, geese and ducks are there?
4 1. There are two baskets of oranges. The first basket weighs 26kg, and the second basket weighs 18kg. How many kilograms of oranges do you need to take out from the first basket and put them in the second basket to make the two baskets equally heavy?
42. There are 80 goats and 1 10 dairy goats in the livestock farm. The number of sheep raised is more than the total number of goats and dairy sheep 120.
? Ask the question of two-step calculation and then answer it. )
43. There are two bookshelves with 40 books on each floor. A * * *, how many books? Add a condition before you answer. )
44. The school bought 8 boxes of pens, each box 12, and each 6 yuan, in order to reward students with "three good". How much is a * * *? (Answer in two ways. )
45. A car travels for 3 hours 120km. According to this calculation, how many kilometers is the five-hour journey? (Step-by-step formula first, then comprehensive formula. )
46. When an orchard is planted with 125 apple trees, the number of pear trees is 20 times less than that of apple trees. How many trees are planted in this orchard?
47. Dongdong and Mingming help the teacher move books. A * * * has 26 books. Dongdong scrambled to move a part first, but obviously unconvinced, he snatched half. Dongdong snatched half from Mingming, but Mingming refused. Dongdong also gave him five books. At this time, Dongdong moved two books less than Mingming. How many books did Dongdong initially intend to move?
48. Two ships, A and B, set out from AB at the same time, met for the first time at the distance of A 700, continued to sail and returned to the other side. On the way back, they met for the second time at a distance of B 400. What is the distance between AB and B?
49. The circumference of a rectangle is equal to the circumference of a square with a side length of 9 cm. The length of a rectangle is longer than that of panic 14 cm. What is the length and panic level of this rectangle?
50. Two boxes of glass balls, box A is less than box B 19. Xiaoming takes five balls from box B and gives them to three little flowers, and puts the rest into box A. At this time, the number of box B is twice that of box A. How many glass balls are there in box A and box B?
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. Three bags of flour weigh 75 kilograms, and eight bags of flour weigh how many kilograms?
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. Five 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 4255 parts in 23 days, Wang.
Master Liu handles more pieces per day than Master Liu 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?
2 1. A workshop of agricultural machinery factory is divided into three groups to process 3420 parts, with workers 12 in each group. How many parts does each worker process on average? (Solve in two ways)
22. 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?
23. 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?
24. A pile of coal 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?
25. The construction team plans to pave a 90-meter road every day and finish it in 20 days. Actually, it only took 18 days. How many meters are paved on average every day?
Thinking about the problem:
1. 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?
1. There are four classes in grade three in a school, and * * * donated 576 yuan for the disabled, with an average donation of 3 yuan per person. How many people are there in each class on average? 2. Build a road 324 meters long. 240 meters were repaired in the first 8 hours, and the rest were repaired at a speed of 2 1 meter. How many hours will it take to complete? 3. Booking a TV program for half a year requires 15 yuan. 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? 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?