![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
Zhang Ying and Li Ni want to pack 1000 plum blossoms separately Zhang Ying and Li Ni want to pack 1000 plum blossoms separately. Zhang Ying takes 15 plum blossoms each time and Li Ni takes 9 plum blossoms each time. As a result, Li Ni packs one less bag than Zhang Ying, and the rest is not enough. How many plum blossoms are left? How many bags does Zhang Ying pack?
In the end, there is one plum left, Zhang Ying has 42 bags, Li Ni has 41 bags!
A store stipulates that three empty water bottles can be exchanged for one bottle of soda. Xiaohua bought 10 bottles of soda, and then changed them with empty water bottles after eating. How many bottles of soda can Xiaohua drink?
10 + 3 + 1 + 1 = 15 A: Xiaohua can drink 15 bottles of soda
A math problem, every three empty water bottles can be replaced by a bottle of soda. Now I bought 10 bottles of soda, and asked how many bottles of soda I could drink
After ten bottles are drunk, change three bottles. After three bottles are drunk, change another bottle. For the remaining two bottles, borrow one from others to make three bottles. After one bottle is drunk, return the bottles. 15 bottles in total
ten
3 1
1 1
1 borrow 1
Change one and return it after drinking
I had 10 drinks before
Nine of them changed 3, 10 + 3 = 13
Three changed a bottle of 13 + 1 = 14
The original 10th bottle and the third one were changed into three empty bottles by borrowing one bottle
14+1=15
Three empty water bottles can be exchanged for one bottle of soda. Xiaohua can buy 18 bottles of soda and drink a few
18 divided by 3 = 6
6 divided by 3 = 2
18+6=24
RELATED INFORMATIONS
- 1. A shop has a rule that after drinking soda, four empty soda bottles can be exchanged for one. Aunt Wang bought 24 bottles of soda. How many bottles of soda can she actually drink
- 2. In order to recycle the old bottles, the beverage factory required 4 empty bottles to be replaced with a soda bottle In order to recycle the old bottles, the beverage factory stipulated that four empty bottles should be replaced with one bottle of soda water, including bottles. Xiaoming's mother bought one bottle first, and the next day asked Xiaoming to buy a box of 24 bottles. After drinking, she took the empty bottle to replace it with soda water, so how many bottles of drinks could he drink at most
- 3. At the weekend, Xiao Gang and Chen Ming bought a bottle of soda after playing table tennis. Xiao Gang sucked soda with a straw, while Chen Ming thought that the straw was too thin and too slow to enjoy. He directly sucked soda with his mouth at the mouth of the bottle. Did Chen Gang's "quick" method work? Why?
- 4. Class five (1) is going to give 10 pencils to each of the students participating in the sports meeting as a souvenir, As a result, each of the students who came here sent 2 more, and there were 6 left. How many people actually came to the sports meeting? Let's calculate It's not 15. It's 12. It's a formula
- 5. The head teacher of a class in a school leads the students to travel. A travel agency says, "if the teacher buys a full ticket, the student ticket can be 50% off.", B travel agency said: "including teachers, all according to the full fare discount", assuming that the full fare of 240 yuan / piece (1) If there are X students, please write down the algebraic formula of the expenses of travel agencies a and B (2) If there are 10 students, which travel agency will you follow to save money (3) When there are many students, the cost of the two travel agencies is the same
- 6. Among the 100 students in Grade 6, each of them likes sports, literature and science at least. There are 55 students who like sports, 56 students who like literature and art, 51 students who like science, and 15 students who love all three There are 4 in education and science, 17 in sports and literature and art. How many people only love science and art? (it's all afternoon)
- 7. Talk about some slogans of spring sports meeting in Grade 6 of primary school emergency
- 8. Five press releases for the spring sports meeting of grade one of primary school,
- 9. Xiaoxiao went to the supermarket to buy some drinks. She just paid 60 yuan, 4 yuan for coke and 3 yuan for mineral water
- 10. There are 270 students in the sixth grade of sunshine primary school, among which the number of girls is one third of that of boys. How many boys are there
- 11. Zhang Ying, a saleswoman in a food store, and Li Ni want to pack 1000 plum blossoms separately. Zhang Ying takes 15 plum blossoms for each bag, and Li Ni takes 9 plum blossoms for each bag. As a result, Li Ni packs one less bag than Zhang Ying, and the rest is not enough. How many plum blossoms are left in the end? How many bags did Zhang Ying pack?
- 12. The school holds a sports meeting every autumn. In last year's sports meeting, you won the first place in the long jump; 2. Students usually do exercises in the morning, do eye exercises in the afternoon, and play basketball or football after class 3. Exercise is good for your health. You are ready to exercise
- 13. Class 6 (2) is going to have a spring outing. The price of a brand of milk is 2 yuan per bottle. If you buy it in department store a, you can get a free bottle of 5 bottles; if you buy it in department store B, you can get 10% discount. There are 42 students in the class. If you want to prepare a bottle of such milk for each student, which department store should you go to
- 14. Class 6 (2) is going to have a spring outing. The price of a brand of milk is 2 yuan per bottle. If you buy it in department store a, you can get one free if you buy 5 bottles; if you buy it in department store B, you can get 10% discount. There are 42 students in the class. If you want to prepare a bottle of milk for each student, which department store should you go to? Why? Do not write in the form of a column,
- 15. Buy a bottle of shampoo 30 yuan to buy 5 Ping free 1 bottle to buy 8 bottles to buy 2 bottles, my mother and colleagues to buy 12 bottles, how to buy cost-effective?
- 16. A box of milk 12 packets, the price is 42 yuan. Supermarket a launched a promotional campaign to buy a box of milk to send two packets of milk, supermarket B the same milk 15% discount, ask which is cheap
- 17. A kind of milk, each bottle price is a yuan, supermarket in order to promote sales, buy two get one free, now each bottle of milk together () yuan?
- 18. Eight people go for an outing and spend 20 yuan to buy Coke and milk tea. It is known that coke costs 2 yuan and milk tea costs 3 yuan. If 20 yuan is just used up, there are several ways Using the system of linear inequalities of one variable to solve
- 19. There was a child who bought coke and had three empty bottles to exchange for one. The child bought 10 bottles and asked him how many bottles he could drink?
- 20. On Sunday, Xiao Ming and seven classmates, a total of 8 people, went on an outing. On the way, he spent 20 yuan to buy drinks. The store only had coke and milk tea. It is known that coke costs 2 yuan a cup and milk tea costs 3 yuan a cup. If 20 yuan is just used up. (1) how many ways to buy? How many cups of cola and milk tea in each way? (2) When each person has at least one drink and at least two milk teas, how many ways to buy them?