1. There are 42 people in an air-conditioned car, 8 people get off midway and get on 16 people. How many people are there in the car now? 2. The bakery made 54 loaves, the first group of children bought 8 loaves, and the second group of children bought 22 loaves. How much bread is left now?
3. Three groups * * * collected 94 cans, of which the first group collected 34 cans and the second group collected 29 cans. How many cans did the third group collect?
This new computer company has 87 computers. I sold 19 units in the morning and 26 units in the afternoon. How many computers are left? (Answer in two ways)
There are 22 pieces of lacquer paper in the class, and 27 pieces have been bought. 38 cards were used in the party. How many cards are left?
6. The Children's Palace has bought 52 new violins, and the viola is 20 less than the violin. How many kinds of violins are there?
7. There are 36 people on a bus, 8 people get off at Fuzhou Road, and 12 people get on. How many passengers are there on the bus?
8. The number of A is 20, and the number of B is 5 more than A. What is the number of B?
9. There are 25 apples, and 7 pears are less than apples. How many pears are there?
10, Xiaoqing has 28 pictures, and there are more photos than pictures 16. How many photos does Xiaoqing have?
1 1. There are 35 boys, two more than girls. How many girls are there?
12, there are 35 boys, 2 boys are less than girls, how many girls are there?
13. There are 20 black bears in the zoo. There are eight more black bears than white bears. How many white bears are there?
14. There are 20 black bears in the zoo. White bears are eight more than black bears. How many white bears are there?
15. There are 44 cocks in the red scarf chicken farm, and there are more hens than cocks 16. How many hens are there?
Two-person Education Edition Volume II Elementary School Mathematics Application Problems
1, Mom, Dad and I broke off nine corns respectively, and my little brother broke off six. How many corns did our family have? 2. The rabbit planted 5 rows of radishes, 9 in each row. Give 15 to grandma rabbit. How many are left?
3. Master Wang made 80 loaves and sold them for the first time 17 and for the second time/25. How much bread is left?
4. Mom bought 15 apples, and oranges bought 6 fewer apples. How much fruit did * * * buy?
There are four pandas in the zoo, and the number of monkeys is three times that of pandas. How many pandas and monkeys are there?
There are 90 books in the library. I borrowed 20 books in grade one and 17 books in grade two. How many books are there in the library?
7. Girls in Class Two and Class One 15, boys 1 1 more than girls. How many students are there in Class Two and Class One?
8. Cars can take 4 people each, buses can take 25 people, there are 3 cars, 1 bus. How many people can a * * * seat?
9. There are 4 boxes of rubber balls in the shop, 6 in each box, and 20 have been sold. How much is left?
10, Xiao Ming has six sets of pictures, each with three, but he bought four. How many are there now?
1 1. The school bought three boxes of table tennis, eight in each box, and distributed them to four classes in Grade Two. How many ping-pong balls did each class get?
12, the bear picked up 9 corn, and the monkey picked up 4 times as much as the bear. How much corn did they pick up?
13. There are 85 cans of coke in the grocery store. I sold 46 cans in the morning and 30 cans in the afternoon. How many cans are left?
14, there are 16 students on the playground, and there are 14 students again. These students play games in groups of five. How many groups can they be divided into?
15, Xiaoming bought three notebooks and spent 12 yuan. Xiaoyun also bought the same six notebooks. How much did Xiaoyun spend?
Three-person education version of the second grade primary school mathematics application problem book 2
1. There are fewer story books than comic books on the shelf 15. There are 8 magazines and 32 story books on the shelf. How many comic books are there? How many story books and comic books are there? 2. Xiao Ming's mother bought a rope 16 meters long, cut off some for skipping, and there are still 6 meters left. How many meters did you jump?
3. There are 35 boys and 37 girls in Grade Two. How many are there in the first grade? Among them, 50 people took part in the "Red Tour" this summer. How many people didn't take part in the "Red Tour"?
There are 65 cars in the parking lot, and 3 1 car has been driven away. How many cars are left? Here come six more. How many cars are there in the parking lot now?
5, an application problem workbook, there are 50 application problems, red do 5 times a day, how many days to finish?
6. The school bought 6 science and technology books and 36 story books. How many times are there story books?
7. The bookstore sold 6 boxes of books on the first day and 18 boxes of books on the second day. How many times did it sell the next day? How many boxes do you sell in two days?
There used to be 45 chickens in Xiaoming's henhouse. My mother sold 12 last week and 15 this week. How many chickens are left in the henhouse?
9. There are five groups of students in Class One, Grade Two, with an average of five students in each group. On June 1 day, 2 1 person participated in the chorus. How many people didn't join the choir?
10, Obana's mom and dad compete to do calculations. Xiaohua answered six calculation questions correctly in one minute, and his father's was four times that of Xiaohua, while his mother answered five fewer questions. How many things can mom do right in a minute?
Class 1, Grade 2 1 1 has five red balls. There are three times as many yellow balls as red ones. How many more yellow balls are there than red balls?
12. Mom bought 12 apples and 16 pears. If you want to bag them all, each bag can only hold 4 fruits. How many bags do you need?
13, 8 yuan has to pay for four bags of biscuits in the supermarket, and how much does he have to pay for eight bags of biscuits?
14, the teacher has 8 bags of ping-pong balls, 6 in each bag, and lends them to classmates 15. How much is left? 55. The teacher spent 70 yuan on books and bought seven sets of story books, each of which cost 9 yuan. How much is left?
15. Nine willows were planted in the green belt. The number of pine trees is three times that of willow trees and the number of willow trees is three times that of poplar trees. How many pine trees are there in the green belt? How many poplars are there?
1. What courses should I take in mechatronics?
It mainly offers core courses such as motor and its application, factory electrical control equipment and i