The deduction standard of junior high school mathematics fraction application questions The number given in the original question is 1.25. How many points can I give to my whole fractional equation according to the 1.5 column?

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• 1. 1. A project! Team a will do it alone, and it will be completed within the specified date! If team B will do it alone, it will take more than 3 days. Now team B will do it alone two days later, and it will be completed within the specified date! Question: what is the specified date? 2. Make a new coating with 100 yuan a coating and 240 yuan B coating! The total value remains unchanged! The new coating is sold 3 yuan less per kilogram than a coating and 1 yuan more than B coating per kilogram! What's the price of this new coating? Drought is coming! A middle school donated 1800 yuan to class a of Grade 8, and 1560 yuan to class B. It is known that class A is 1.2 times the average donation of class B, and class B has 2 more people than Class A. how many people are there in each class?
• 2. 1. Given the cost function TC = 30000 + 15q-3q (the square of Q) + Q (the third power of Q), q is the output quantity. 1) when the output is 500 units, what is the TFC? 2) when the output is 30, what is the AVC? 2. Known investment function I = 300-100r, savings function s = - 200 + 0.2y, money demand function L = 0.4y-50r, total supply M = 250, total price level P = 1. Find is and LM Curve equation
• 3. A shopping mall participated in the financial insurance, the amount of insurance is 40 million yuan, the insurance rate is 0.75%. An accident, the loss of goods worth 6.5 million yuan, the insurance company compensate 5 million yuan. How many million yuan is the actual loss of the shopping mall?
• 4. A cone-shaped sand pile has a bottom circumference of 31.4 meters. A car can transport 8 cubic meters at a time. How many times can it be transported? (keep the number in integer)
• 5. There are three numbers a, B and C. the number a is 70 times more than the number B, and the number B is 10 times more than the number C. The sum of three numbers is 244 The total number of students in school a, B and C is 2640, of which the number of students in school a is three times that of School B, and the number of students in school B is 2.5 times that of school C. how many students are there in each of the three schools? Six times of a number, minus the difference of 26, and 26 plus the sum of a number equal to find a number Wang Bodong collected a total of 2750 kg of rice and corn last year, which is 250 kg more than three times that of corn. How many kg are rice and corn?
• 6. 1. A township originally planned to afforest 12 hectares last year, but actually afforested 14 hectares. How many percent more than the original plan? 2. During the "Eleventh Five Year Plan" period, the Xiaojun family planned to spend 2000 yuan, and the actual consumption was 1800 yuan. How much less was the actual consumption than the planned consumption? 3. Guangming Village has 121 units per 100 households this year, an increase of 66 units compared with last year. How much has this year increased compared with last year? 4. Xiao Ming's mother's monthly salary is 2000 yuan. In the past, her monthly salary was 1800 yuan. Now, how much higher than the original salary? 5. On the morning of October 1, 2009, 240 people in Grade 5 watched the 60th anniversary of the National Day parade on TV, and 300 people in Grade 6 watched the 60th anniversary of the National Day parade?
• 7. An applied problem in Mathematics "The stationery counter of Fuxing shopping mall bought a batch of" hero "brand pens at the price of a (a is an integer) yuan, and decided to increase the price by 2 yuan for each pen. Because of the excellent price, good quality and beautiful appearance of these pens, they soon sold out. When checking out, the salesperson found that the total sales amount of these pens was (399a + 805) yuan, Based on the above information, can you find out the total number of pens purchased at the stationery counter and the purchase price of each pen? How much is a
• 8. If the height of a cuboid is increased by 2cm, it will become a cube. At this time, the surface area is increased by 64cm. What is the volume of the original cuboid 2. Dig out a small piece from a cuboid wood block with a volume of 30cm. What is its surface area; 3. How much is the surface area reduced by kneading a 8cm long, 4cm wide and 2cm high dough into a cube?
• 9. Judgment: After 75% of 1.1 meter cloth is used, 25% of the cloth is left choice: 1. Add 5g sugar and 100g water to the water containing 5% sugar, and the sugar content of the water is () A. Constant B. above 5% C. below 5% Fill in the blanks: 1. A cuboid shaped wood strip can be sawn into seven cube blocks, and the sum of the surface area of all cube blocks is increased by ()%
• 10. According to the state regulations, the tax calculation method for individual publishing articles and books is as follows: 1. No tax shall be paid if the contribution fee is not higher than 800 yuan; 2. 14% of the contribution fee exceeding 800 yuan shall be paid if the contribution fee is higher than 800 yuan but not higher than 4000 yuan; 3. 11% of the whole contribution fee shall be paid if the contribution fee is higher than 4000 yuan; if someone has paid 420 yuan of tax in a lump sum, the tax shall be paid, How much is this person's contribution fee? If paid 770 yuan tax? It's a linear equation with one variable
• 11. 1. The translation efficiency of an electronic receiver is 75 times of that of human. How many times of that of an electronic receiver? 2. For a project, if Party A works alone, it will be completed as scheduled, while if Party B works alone, it will be delayed for 3 days. Now, Party A and Party B cooperate for 2 days, and the rest will be done alone by Party B, which will be completed as scheduled?
• 12. Primary school mathematics problem-solving steps and methods, to be detailed!
• 13. Love primary school bought 12 desks and 16 chairs to donate to teachers in Yingjiang, Yunnan Province. The total cost of desks and chairs was 3150 yuan. Each chair is 70 yuan cheaper than each desk. How much is each desk and chair?
• 14. On a mathematical calculation problem Bank interest calculation question: withdraw 5000 yuan, and the daily interest is 0.05% [for example, one day is 2.5 yuan, and the next day is (5000 + 2.5) * 0.0005]. Ask 31 days, how much is the interest? Again, if I return 100 yuan every month for 31 days, how many months can I repay all the money? Similarly, the remaining 100 yuan is still calculated according to the daily interest of 0.05%!
• 15. For a three digit number, now move the leftmost number to the rightmost one, which is 45 times smaller than the original number. It is also known that 9 times of a hundred digit number is 3 times smaller than the two digit number composed of ten digits and one digit number, so as to find the original three digit number Solving the first order equation with two variables
• 16. Party A and Party B go from place a to place B at the same time. Party A walks 250 meters per minute and Party B walks 90 meters per minute. After arriving at place B, Party A immediately returns to place a and meets at 3.2 kilometers away from place B. what is the distance between two places? Explain why
• 17. It's a simple one On January 22, 2010, Mr. Zhang, a shareholder, bought 1000 shares of a certain stock at the price of 16.32 yuan. On January 25, the price of the stock rose by 1 / 10. However, the stock market changed dramatically. On January 26, the price of the stock fell by 1 / 10. Mr. Zhang said that my stock price was the same as that on January 22. Is Mr. Zhang right? Calculation instructions
• 18. There is a practical problem. It's actually very simple. It's about engineering problems The efficiency of team a is 3 / 5 of that of team B. the two teams can complete 2 / 3 of this section of road in 6 days. The rest will be completed by team B alone. How many days will it take to complete it?
• 19. Use equations to solve application problems 1. When a ship sails between two docks, it takes 4 hours to sail downstream and 5 hours to sail upstream. The current speed is 1 hour and 1 kilometer. What is the sailing speed of the ship in downstream and upstream? 2. When a ship sails between a and B, it takes 8 hours to go with the water and 10 hours to go against the water, and the known water speed is 2 km / h 3. A construction site needs to send 48 people to excavate and transport soil. If each person excavates 5 cubic meters of soil or transports 3 cubic meters of soil, how to arrange the personnel to make the excavated soil be transported in time? 4. Each tin sheet can be used to make 25 tin bodies or 40 tin bottoms. One tin body and two tin bottoms form a set. At present, there are 36 tin sheets. How many tin bodies and tin bottoms can be used to make the tin body and tin bottoms match each other? 5. A square table consists of one table top and four legs. If one cubic meter of wood can be used to make 50 or 300 legs on the table top of the square table, and there are 5 cubic meters of wood, how many cubic meters of wood can be used to make the table top and legs, and how many legs can be made into the square table?
• 20. 1. In the physical education class of class 501, there are 34 people participating in rope skipping activities. They should be divided into five groups, at least how many more people? How many groups can they be divided into?