Junior one application problems, not necessarily with the equation solution Zhang Qiang deposits 2000 yuan and 1000 yuan in the bank in two forms, and withdraws them after one year. After deducting the interest income tax, he can get 43.92 yuan of interest. It is known that the sum of the interest income tax of the two deposits is 3.24%, and how much is the annual interest rate of the two deposits (interest tax rate is 5%)

RELATED INFORMATIONS

• 1. The application of equations, Under the same field management and land conditions, the yield per unit area of Yujiang No.1 and Yujiang No.2 is 20% lower than that of No.1, but the rice of No.2 is better and the price is higher than that of No.1. The national purchase price of No.1 is 1.6 yuan / kg Q: when the national purchase price of rice No. 2 is what, the benefits of planting rice No. 1.2 in two fields with the same soil quality and area under field management are the same?
• 2. The application of column equation This year, the age sum of her parents is seven times that of Xiaofang. In another 10 years, the age sum of her parents will be four and a half times that of Xiaofang. How old is Xiaofang this year? Solving practical problems with a series of equations in the first year of junior high school It's better to have a process
• 3. Application of equation in grade one of junior high school, Monthly water consumption yuan / m3 The part not exceeding 6 cubic meters is 2 yuan / cubic meter The part exceeding 6 cubic meters but not exceeding 10 cubic meters is 4 yuan / cubic meter The part exceeding 10 cubic meters is 8 yuan / cubic meter (table above) If the household shared 15 cubic meters of water in March and April (the water consumption in April exceeded that in March), and paid a total water fee of 44 yuan, how many cubic meters of water did the household use in March and April?
• 4. Application problems of the first series of equations in elementary school (solving process) Class 1 of Grade 7 first arranged 35 people to clean up, 15 people to pull the grass, and then 10 more people to support them. As a result, the number of cleaning people is twice that of pulling the grass. How many people are there to support cleaning and pulling the grass?
• 5. Set up equations to solve the first practical problem of junior high school The unit price of 100 watt white woven lamp and 40 Watt energy-saving lamp is 2 yuan and 32 yuan respectively, and the electricity price is 0.8 yuan per kilowatt hour. When the service life of these two kinds of lamps exceeds how long, it is cost-effective to choose energy-saving lamp
• 6. Very simple first equation application problem, first give 20, write good add 100 ah! A car drove from a to B at the speed of 60 km / h. After 4.5 hours of driving, the average driving speed was reduced by 20 km / h due to rain. As a result, it arrived at B 45 minutes later than expected Method 1: set the scheduled time as X Method 2: set the driving distance after rain as X km Method 3: set the distance between a and B as X kilometers PS: all three should be written. Well written, give 100!
• 7. Very simple equation application problem ah, well written to 100! A and B walk from two places 20km apart at the same time. The speed of a and B is 6km and 4km respectively. A dog and a start to run to B at the same time. When they meet B, they run to a immediately. When they meet a, they turn around and run to B immediately until they meet. If the dog runs at 13km / h, what is the running speed, How many kilometers does the dog travel?
• 8. Simple operation of 46 + 46 × 46 + 46 × 53
• 9. How to calculate 46 × 52 + 53 × 52 + 52 simply
• 10. Simple calculation of 46 × 21-86
• 11. Ask an applied problem of the equation of grade one in junior high school Xiao Ming goes to school by Zhang Mi's house. The distance between them is 2km. Wang Hua takes 10 minutes less to go to school by bike than Zhang Mi does by foot. If Wang Hua's speed is 15km / h and Zhang Mi's speed is 6km / h, how long does it take each of them to go to school? Be sure to use the equation solution!
• 12. Ask for an application problem of equation in grade one of junior high school Suppose that the average speed of a is x km per hour and that of B is y km per hour 2.5x=2.5y+8 (1) x+y=8 (2) From (2), x = 8-y Substituting (1) into the solution, y = 2.4 x=5.6
• 13. An applied problem of equation in grade one of junior high school According to the diagram, one triangle needs three matchsticks, and two triangles need five matchsticks. Let's build n triangles. How can you express the number of matchsticks needed by N triangles with the algebraic formula of N? Now there are 2009 matchsticks. How many such triangles can you build? 2100? (list the equation and solve it, without listing the process,
• 14. A workshop can make 500 class a parts or 250 class B parts every day, and each class A and class B parts will form a set of products. Now, if we want to make the most complete set of products within 30 days, how many days should each class A and class B parts be made?
• 15. On the first day of the solution of the equation calculation problem with the answer, as much as possible
• 16. Who gave me 50 to simple disjunctions,
• 17. A simple calculation problem A simple method to calculate the problem, I want to take off the formula Oh! 101 times 99 minus 199 thank you very much!
• 18. Grade 5 Volume 1 300 calculation questions
• 19. 5x + 8 (10-x) = 62. Write a practical problem and answer it
• 20. According to 30 / X-30 / 1.5x = 1, please write a practical problem closely related to life