? Walking the beauty cup? Is a math competition founded in 2003, among which? Go to America? what's up Into the wonderful math garden? Abbreviation The following are the exam questions about Walking Beauty Cup that I compiled. I hope everyone can practice seriously!

And folding problems.

First, the main points of knowledge:

Given the sum of two numbers and the multiple relationship between them, an application problem like this is usually called the sum multiple problem. In order to successfully solve the application problem, the best way is to draw a line graph according to the meaning of the problem, so that the quantitative relationship can be seen at a glance, thus solving it correctly.

The key to solve the application problem of sum and multiple is to find the sum of two numbers and the corresponding multiple sum, so as to find the multiple of 1 first and then several multiples. The quantitative relationship can be expressed as follows:

Sum of two numbers? (multiple+1)= decimal (multiple of 1)

Decimal? Multiply = large number (multiple)

Sum of two numbers-decimal = large number

Second, be concise.

1 The school distributed 360 books to the second and third grades. It is known that the number of books allocated to grade three is twice that of grade two. How many books are distributed in grades one, two and three?

Exercise 1

1, Xiaohong and Xiaoming * * * have lucky money 800 yuan, and Xiaohong's money is three times that of Xiaoming. How much lucky money does Xiaohong and Xiaoming each have?

The school distributed 360 books to the second and third grades. It is understood that the number of books obtained in grade three is 60 more than that in grade two. How many books are there in grade two or three?

Example 2 Xiao Ning has 30 ballpoint pens and Xiaoqing has 15 ballpoint pens. After asking Xiaoqing how many pens she gave Xiao Ning, Xiao Ning's ballpoint pen is eight times that of Xiaoqing.

Exercise 2

1, Honghong has 80 stamps and Jiajia has 60 stamps. If the number of red stamps is four times that of Jia Jia, how many red stamps does Jia Jia want to give?

2. There are 69 tons of water in Pool A and 36 tons of water in Pool B. If the water in Pool A flows into Pool B at a rate of 2 tons per minute, how many minutes later, the water in Pool B is twice as much as that in Pool A?

The sum of dividend and divisor is 320, and the quotient is 7. What are the dividend and divisor respectively?

Exercise 3

1, the sum of dividend and divisor is 120, and the quotient is 7. What are the dividend and divisor respectively?

2. The sum of dividend, divisor and quotient is 79, and quotient is 4. What are the dividend and divisor respectively?

Example 4 The divisor of two numbers is 17+6, and the sum of dividend, divisor, quotient and remainder is 479. What are the dividend and divisor respectively?

Exercise 4

1, the divisor of two integers is 14, and the sum of dividend, divisor, quotient and remainder is 243. How much is the dividend greater than the divisor?

2. In the subtraction formula, the sum of the minuend, the subtraction and the difference is equal to 240, and the subtraction is five times the difference. What is the difference?

The sum of two numbers is 792, and the last digit of a number is 0. If you delete 0, it will be the same as another number. What are these two numbers?

Exercise 5

1, the sum of two numbers is 253, and the last digit of a number is 0. If you remove 0, it is the same as another number. What are these two numbers?

2. Master and apprentice process a batch of ***693 parts, and the last digit of the number of parts processed by the master is 0. If you remove this 0, the number of parts processed will be as much as that of the apprentice. How many parts do the master and apprentice process respectively?

Third, homework after class.

1, a barrel of oil 25 kg, b barrel of oil 17 kg. How many kilograms of oil is poured into barrel A, and the oil in barrel A is five times that of barrel B?

2. Shelf A has 18 books, shelf B has 8 books, and the class librarian bought 16 books. There are twice as many books in shelf A as in shelf B. How to distribute them?

3. The divisor quotient of two integers is 2 1 and the remainder is 1. It is known that the sum of dividend, divisor, quotient and remainder is 44 1. What are the dividend and divisor?

The school bought 83 books, of which science and technology books are twice as many as story books, and story books are five more than literature books. How many are these three books?

The sum of numbers a and b is 209. The number A is reduced by 10 times, which is as big as the number B. What are the numbers A and B respectively?

The question of profit and loss

First of all, a brief analysis of the topic:

Distribute a certain number of articles to a certain number of people equally, and if each person scores less, the articles will remain (surplus); If everyone scores more points, the goods will be short (deficient). Knowing the gain and loss, the application problem of finding the number of goods and people is called profit and loss problem.

The basic solution to the profit and loss problem is:

Number of copies = (profit+loss)? The difference between the two distribution methods can be obtained by the share and profit and loss of one distribution method.

The key to solve the profit and loss problem problem is to find the total difference and quantity difference of two distributions, and then find the number of distributors and the number of goods by using the basic formula.

Second, be concise.

1: Xiaoming's mother bought a basket of pears and distributed them to the whole family. If each person is divided into five parts, it will be more10; If everyone is divided into six parts, there will be two less. How many people are there in Xiaoming's family? How many pears are there in this basket?

Exercise 1

1, the kindergarten aunt gave the children a bag of candy. If you give everyone 10 candy, there are still 8 candy. If you give everyone 1 1 candy, you will lose 16 candy. How many children are there in a * *? How many sweets are there in this bag?

2. There is a rope around the tree for 4 times, leaving 2 meters; If you go around the tree five times, the difference is 6 meters. What is the circumference of this tree? How long is this rope?

Example 2: The kindergarten bought some toys. If each class is divided into 8 toys, there will be 2 more toys. If there are 10 toys in each class, there will be less 12 toys. How many classes are there in kindergarten? How many toys are there in this batch?

Exercise 2

1. Xiaoming took some money to buy apples. If he buys 3 kilograms, he will get more money from 2 yuan. If you buy 6 kilograms, you will lose 4 yuan. How much are apples per kilogram? How much money did Xiaoming bring?

2. A group of people went to the hillside to plant trees. If everyone plants 4 trees, there are 12 trees left. If everyone plants 8 trees, 4 trees will be missing. How many people are there in this group? A * *, how many seedlings?

Example 3: The teacher bought some exercise books and distributed them to outstanding young pioneers. If each person distributes five books, there will be more 14. If you give seven copies to each person, there will be two more. How many outstanding young pioneers are there? How many exercise books did you buy?

Exercise 3

1, give the child a bag of candy, and if each person divides 4 pills, there will be more 12 pills; If everyone is divided into 6 capsules, there are 2 capsules. How many children are there? How many sweets are there?

Mom bought some apples and distributed them to the whole family. If everyone gets 6 apples, there will be 12 more apples. If everyone is divided into seven parts, there will be six more. How many people are there in the family? How many apples did mom buy back?

Example 4: The school sent some students to move a batch of saplings. If everyone moves six trees, there will be a difference of four trees. If each person moves 8 trees, the difference is 18 trees. How many students are there? How many saplings are there in this batch?

Exercise 4

1. In the science class, the teacher gave the students some leaves. If everyone is divided into five leaves, there are three leaves; If everyone is divided into 7 leaves, there are 25 leaves. How many students are there? How many leaves are there?

2. Students in the math interest group do math problems. If each student does six, there will be four less. If everyone does 8 courses, there will be 16 fewer courses. How many students are there? How many math problems are there?

Example 5: Class 3 (1) students go boating in the park. If each boat carries four people, there is one less boat. If each boat carries six people, there are four more boats. How many boats are there in the park? How many students are there in Class Three (1)?

Exercise 5

1. The school allocates dormitories to new students. If there are eight people in each room, there will be two fewer rooms. If there are 10 people in each room, there are two more rooms. * * * How many rooms are there? How many freshmen are there

2. Students go boating. If there are five people on each boat, there will be two boats missing. If each boat carries seven people, there are two more boats. * * * How many boats are there? How many students are there?

Third, homework after class.

1, some students go boating. If there are five people on each boat, there will be three more places. If there are four people on each boat, three people have no seats. How many ships are there? How many students are there?

A group of students are moving books. If each student moves two books, there will be 12 books left. If everyone moves three books, there are still six left. How many students are there in this group? How many books are there in this batch?

3. Some students live in a school, and there are 8 people in each dormitory, so there are 24 beds; If each dormitory has 10 people, there are two beds. How many dormitories are there in the school? How many boarding students are there?

4. School rehearsals. If there are 8 people in each row, there are 2 people in each row. If there are 9 people in each row, there are 7 people missing in one row. How many lines should I line up? A * * * How many people are there?

If Xiaoming walks 40 meters every minute from home to school, he will be 2 minutes late. If you walk 50 meters per minute, you will arrive four minutes early. How far is Xiaoming's home from school?

;