Please look at my English book English translation

please have a look at my English book

RELATED INFORMATIONS

1. Delete a number in the following sequence to change its range rule: 359 13 18 27 33 81 89
2. Translation of section B and 3a in unit 1
3. 45 and 46 common factors
4. Human health guard
5. Uncle Li's family has 120 chickens, one sixth less ducks than chickens. How many ducks are less than chickens? How many ducks does Uncle Li's family have?
6. How to make sentences at dawn?
7. Mathematical sequence, finding the law 1,3,2,6,5,15,14,x,y,z,122…… The values of X, y and Z are? What are the rules in this series?
8. Seven questions on Mathematics in the world
9. In the number of columns 1, - 3,5, - 7,9, - 11 ~ at least take out a few numbers to make the sum equal to 0 I'm in urgent need. I hope those who can answer
10. A four digit integer is first rounded to ten, then rounded to hundreds, and then rounded to thousands. At this time, the number is the third power of 3 * 10. What is the maximum and minimum value of this number! Please tell me how to calculate it
11. How to calculate (50 * 2 + 49) + (49 * 2 + 48) + (48 * 2 + 47) + (47 * 2 + 46) +. + (2 * 2 + 1) + 2
12. Xinhua Bookstore imported 2800 literature and art books, 175 less than 7 / 8 of the science and technology books. How many science and technology books did the bookstore import? Use the equation to solve the problem
13. (answer as many questions as you can) 1. Mr. Wang took the train from Beijing station to Guangzhou. Ten hours later, the train traveled five fifths of the whole journey. How long does it take from Beijing to Guangzhou? 2. Li Di can input 30 Chinese characters in two-thirds of a minute. According to this calculation, how many Chinese characters can he input in half an hour? 3. Congcong walked 60 meters in five sixths of a minute. At this speed, how many meters can he walk in three fourths of an hour? 4. A piece of land has 10 hectares, which can be cultivated in 0.75 hours with two tractors. How many hectares can each tractor cultivate per hour?
14. My mother said to me, "I'm going to work overtime tonight. You can cook your own dinner."
15. Find the function f (x) = (1 + 1 / x) ^ x, when x = ± 10, x = ± 100, x = ± 1000, x = ± 10000, what is f (x) = number?
16. I borrowed a book from the library
17. (1) 4,16,36,64, (), 144196... () (100th number); (2) 2,5,10,17,26..., () (50th number)
18. The formula of common practical problems in junior middle school For example: itinerary problems, encounter problems, it is best to have examples and detailed analysis!
19. P is a point in the rectangle ABCD (as shown in the figure). The area of the triangle PAB is equal to 5, and the area of the triangle PBC is equal to 13. Q: what is the area of the triangle PBD?
20. The maximum value of real numbers x, y satisfying X & sup2; + Y & sup2; - 2x-4y-20 = 0, X & sup2; + Y & sup2; is