2, a pair of slippers 8 yuan, a pair of socks 4 yuan. Xiaoming bought a pair of slippers and socks with money from 20 yuan. How much should he get back?
There are 96 story books in the library, 28 in the first week and 30 in the second week. How many books are there now?
4. There are 35 dragonflies and butterflies in the flowers, 6 of them fly away, and 12 comes. How many dragonflies and butterflies are there in the flowers now?
There are 35 trucks and 24 cars in the parking lot. 17 The car has already left. How many cars are there now?
6. Xiaoming made 18 green flag and 32 red flag. Give kindergarten 14 noodles. How many noodles does Xiaoming have now?
7. The baker made 54 loaves, Xiaoming bought 19 loaves and Xiaohong bought 25 loaves. How much more can you buy?
8. Team Three caught 42 bugs, Team One caught 18 and Team Two caught 16. How many bugs did team three catch?
There are 46 passengers on the bus. At the station, 19 people get off and 15 people get on. How many people are there in the car now?
10 class and 2 (2) class 5 1 person, 25 people jump rope, 8 people racket ball. The rest play football. How many people play football?
1 1. There are 73 trees, 26 apple trees and 38 apricot trees in the orchard. The rest are peach trees. How many peach trees are there?
12, there are 45 people doing exercises, including 3 rows of girls with 6 people in each row. How many boys are there?
13. Mom bought 6 bags of apples, each with 8 apples. I bought 27 pears. How much fruit did mom buy?
14, Xiaoming has 50 yuan pocket money. He bought three books, each 9 yuan. How much money does he have left
15, the rabbit pulled out three piles of radishes, 9 in each pile, and there were 18 radishes in the field. How many radishes did the rabbit grow?
16.
Grapes, apples, Sydney and bananas
18.00 Yuan 20.00 Yuan 7.00 Yuan 3.00 Yuan
(1) How much are apples more expensive than bananas?
(2) How much are Sydney and bananas?
(3) How much are apples more expensive than grapes?
How much more expensive are grapes than Sydney?
5] How much are apples and grapes?
[6], can I ask questions?
17. Fill in the form:
The electricity consumption of Li Huajia in the first half of the year is as follows: 1 month: 68 yuan; February: 50 yuan; March: 70 yuan; April: 75 yuan; May: 75 yuan; June: 80 yuan.
January, February, March, April, May and June.
Yuan dynasty (1206- 1368)
(3) () The monthly electricity bill is the most. (2) and (2) the monthly electricity bill is the least.
(3) The electricity bill is as much as () months.
(4) The highest electricity bill is () yuan more than the lowest electricity bill. Column type:
(5) How much less is January than June? Column type:
(6) How much more is June than April? Column type:
18. This store used to have 25 baskets of oranges. Sold 18 baskets and got 40 baskets. How many baskets of oranges are there in this shop?
19. The store bought 50 baby carriages last week and 48 this week, and sold them 17. How many baby carriages are there in the shop now?
20. There are 8 rows of pine trees in the campus, with 7 trees in each row. All 37 pine trees have been watered. How many are left?
2 1. There are 7 boxes of pens in the store, each containing 8 pens, and 28 pens have been sold. How many pens are left?
22.
(1) The school bought 54 boxes of chalk and used 34 boxes. How many boxes are left?
(2) The school bought 30 boxes of white chalk, 24 boxes of colored chalk and used 34 boxes. How many boxes are left?
23. The fruit shop sent a batch of apples, and sold 16 baskets in the morning and 18 baskets in the afternoon, leaving 12 baskets. How many baskets were sent?
24. There are 4 rows of apple trees in the orchard, with 8 trees in each row and 2 pear trees/kloc-0. How many fruit trees are there in a * *?
25. Select relevant conditions and problems to form a two-step calculation application problem.
① There are 4 bags of white sugar ② There are 2 bags of brown sugar ③ Each bag of sugar weighs 2kg.
Sell 4 kilograms of sugar ⑤ How many kilograms of sugar are left? 6. How many Jin is brown sugar less than white sugar?
26. The teacher has 4 boxes of table tennis, 6 in each box, and 8 are lent to classmates. How many teachers are there now?
27. Compare the similarities and differences in the following set of questions, and then answer.
(1) There are 15 bags of rice in the canteen, and 40 bags have been bought. How many bags of rice are there now?
(2) There were 42 bags of rice in the canteen, but 27 bags were used and 40 bags were bought. How many bags of rice are there now?
28. Mother bought some apples. On the first day, she ate half. The next day, she ate the rest. Finally, there are two apples left. How many apples did mom buy?
29. Xiaoming is 8 years old and Xiaohong 12 years old. /kloc-after 0/5, how old is Xiaohong than Xiaoming?
30. The teacher took four students to the movies, and everyone had to buy tickets. How much is each ticket to 5 yuan?
3 1. There are 28 people on a bus. After arriving at the station, 8 people got off and 1 1 got on. How many people are there on the bus now?
32. The fruit shop sent 22 baskets of apples and 18 baskets of pears, as many oranges as apples. How many baskets of three kinds of fruits were sent?
33. I quietly wrote big characters for six days. Write 3 cards a day for the first 5 days and practice 4 cards on the last day. How many sheets of paper did I write quietly?
34. Xiaoming has 18 yuan, Xiaohong has 24 yuan money, and how much should Xiaohong give Xiaoming, so their money is the same?
35. A river bank is12m long, and a tree is planted every 4m. How many trees were planted from beginning to end?
A big shark, its tail length is half of its body length, and its head length is half of its tail length. It is known that its head length is 3 meters. What is the total length of this big shark?
37. Weight of a barrel of oil 19 kg. Half-eaten oil, barrel weight 12 kg. How much oil did you eat? How many kilograms of oil are there in the oil drum?