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1: If you add two zeros to the end of a natural number, the number you get is 5544 larger than the original number. What is the natural number? 2: The product of the sum of two consecutive even numbers multiplied by their difference is 68. What are the two consecutive even numbers? 3: The sum of a fraction, numerator and denominator 68. The simplest fraction is 8 / 9. What's the fraction? 4: Party A and Party B jointly collect 108 oil products. If Party A takes out 25% of its own stamps and Party B takes out 10 stamps, the number of stamps of the two people is exactly the same. How many stamps do Party A and Party B have? 5: For a project, Party A and Party B shall cooperate to complete it in 24 days, Party A shall do it alone in 35 days, and how many days shall Party B complete it? —————————————————————————————— If you know the answer of which question, write down the serial number and answer below, I can add points for you!
1：56
2: The continuous even difference must be 2, so the sum is 34 and each is 16 and 18
3：16/18
4: J a 56, B 52
5：840/11
RELATED INFORMATIONS
- 1. P28 fill in the blanks 1. The divisor of 18 is (). Choose four different divisors and make them into a proportion () 2. If a = 1 / 3b, then a and B are in proportion; if a = 1 / 3 △ B, then a and B are in proportion 3. If 3 / 4 of a is equal to 2 / 5 of B, then a: B = (): () P29 fill in the blanks 1. 8.5 liters = () ml 62 square decimeters = () square meters 3080 kg = () t () kg 20500 M2 = () ha 35 hours = () hours () minutes 105 minutes = () hours 2. 27 △ () = (): 40 = 45% = 36 / () = () (decimal) 3. To prepare a kind of liquid medicine, the weight ratio of powder and water is 1 ∶ 24. To prepare 2000 grams of this kind of liquid medicine, we need powder () g and water () g P30 fill in the blanks 1. 3 / 4 = (): () = 12 △ () = ()% = () (decimal) 2. Among the four numbers of 0.666, 2 / 3, 67% and 0.6, () is the smallest and () is the largest 3. If the number a is 5 / 8 of the number B, then the number B is ()% of the number a, and the number a is () less than the number B 4. 7 / 8 kg means to regard () kg as unit "1" and divide it into 8 parts averagely, taking () of them; it also means to regard () kg as unit "1" and divide it into 8 parts averagely, taking () of them Formula calculation 1. What is the sum of 25% of a number and 3 / 8 is 7 / 12? 2. 5 times of a number minus half of 2.8, the difference is 2.7, what is the number?
- 2. (Shanghai Education Press) If you have a specific answer, I would be very grateful
- 3. Trapezoidal area problem in unit 5 of grade 5 mathematics The shape of a fish pond is trapezoidal. Its upper bottom is 21 meters long and its lower bottom is 45 meters long. Its area is 759 square meters. How high is it?
- 4. A bus and a car run from two places 345 kilometers apart at the same time. The bus runs 40 kilometers per hour The car travels 52 kilometers per hour. A few hours later, the two cars are 69 kilometers apart
- 5. My family's low carbon life
- 6. Low carbon life on campus Be sure to specify the type of plaintext
- 7. The theme of Shanghai World Expo is "Better City, better life". In order to promote low-carbon life, solar water heater is widely used in modern life. The following table provides the relevant information of a solar water heater filled with water under solar irradiation: solar irradiation time / h, efficiency of solar energy conversion into internal energy of water, maximum water capacity / L 10 50% 100 Temperature of water rising / ℃ specific heat capacity of water [J · (kg ·℃) - 1] density of water / (kg · M-3) 604.2 × 103 1.0 × 103 note: 1L = 10-3m3, please answer the question through calculation according to the above table. (1) the quality of water in water heater is______ (2) the heat to be absorbed by the water in the water heater is______ J. (3) the average solar energy received by the water heater is about 1 hour______ J．
- 8. Xiao Zhang and his father are scheduled to take the bus at home to the railway station to visit his grandfather in his hometown. Half the way, Xiao Zhang asks the driver when he arrives at the railway station. The driver estimates that the train will just leave when he continues to take the bus to the railway station. According to the driver's advice, Xiao Zhang and his father immediately get off the bus and take a taxi. The speed is doubled, so they catch the fire The bus arrives at the railway station 15 minutes before departure. It is known that the average speed of the bus is 30 km / h. how far is it from Xiaozhang to the railway station?
- 9. Xiao Zhang and his father take the bus to the railway station. After 1 / 3 of the bus, it is estimated that if they continue to take the bus, they will arrive at the railway station 30 minutes after the train, and then get off and change for a taxi As a result, the bus arrived at the railway station 15 minutes before the train started. It is known that the average speed of the bus is 40 kilometers per hour. How far is it from Xiaozhang to the railway station?
- 10. Xiao Ming's father drove from home to the railway station at the speed of 50 km / h, 15 minutes earlier than the train. If he drove at the speed of 40 km / h, he was 15 minutes later than the train. How fast did he arrive 10 minutes earlier than the train?
- 11. Lesson 4 sit in the last row Understand teacher Bai's meaning of "you know, there are seats in the last row in the world, but there won't be people sitting in the last row forever"
- 12. More suitable for primary school fifth grade reading and writing books Because I want to teach a fifth grade primary school students reading and writing class, please recommend better books (exercises). It needs the combination of reading and writing It's a one-to-one Chinese Tutoring course. If you can, I hope you can provide the general tutoring process and class content. It's from pep. How about reading dark horse? I heard it's good
- 13. 25.5 * 0.65 * 4 / 0.65 and 4.4 + 4.4 * 12 + 13 * 5.6
- 14. Grade 5 Volume 1 winter vacation companion page 29 question 8 It is said that in ancient times there was a tyrant who made a cruel law: when he wanted to kill, he allowed the person who was about to be executed to say a word, which must be true or not, so that he could avoid death. If not, he would die. But when a young man said a word, the tyrant had to let him go What the young man said was true or false
- 15. It's the icing on the cake
- 16. Happy every day in the fourth grade of primary school Tell your mom and dad the story, and then briefly write the content of the story
- 17. It's over without three minutes
- 18. It's new year's day. My mother bought 3kg fruit candy and 5kg milk candy and mixed them into assorted candy. It's 8.5 yuan per kilogram of fruit candy and 12.4 yuan per kilogram of milk candy. How much yuan per kilogram of assorted candy For the process and formula, use the ordinary formula
- 19. The answers to the seventh grade homework Seeking English answers
- 20. A:Where did you go testerday? B:I ___ to see a movie.