I borrowed a book from the library
I have borrowed a book from library
RELATED INFORMATIONS
- 1. Find the function f (x) = (1 + 1 / x) ^ x, when x = ± 10, x = ± 100, x = ± 1000, x = ± 10000, what is f (x) = number?
- 2. My mother said to me, "I'm going to work overtime tonight. You can cook your own dinner."
- 3. (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?
- 4. 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
- 5. How to calculate (50 * 2 + 49) + (49 * 2 + 48) + (48 * 2 + 47) + (47 * 2 + 46) +. + (2 * 2 + 1) + 2
- 6. Please look at my English book English translation
- 7. Delete a number in the following sequence to change its range rule: 359 13 18 27 33 81 89
- 8. Translation of section B and 3a in unit 1
- 9. 45 and 46 common factors
- 10. Human health guard
- 11. (1) 4,16,36,64, (), 144196... () (100th number); (2) 2,5,10,17,26..., () (50th number)
- 12. 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!
- 13. 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?
- 14. The maximum value of real numbers x, y satisfying X & sup2; + Y & sup2; - 2x-4y-20 = 0, X & sup2; + Y & sup2; is
- 15. Given the real number x, y satisfies the relation: x2 + y2-2x + 4y-20 = 0, then the minimum value of x2 + Y2 is 30-10530-105
- 16. Given Q (0,4), P is the minimum absolute value of PQ at any point on y = x ^ 2 + 1
- 17. Let P (x, y) be a point on the ellipse x ^ 2 + 4Y ^ 2 = 16, then the maximum value of X + y is equal to
- 18. Let P (x, y) be a moving point on the ellipse x216 + Y29 = 1, then the maximum value of X + y is______ .
- 19. Given that point a (0,1) is a point on the ellipse x2 + 4y2 = 4 and point P is a moving point on the ellipse, the maximum length of chord AP is () A. 233B. 2C. 433D. 4
- 20. Let p be a point on the ellipse x ^ / 25 + y ^ / 9 = 1 and Q R be a point on the circle (x + 4) ^ + y ^ = 1 / 4 and (x-4) ^ + y ^ = 1 / 4 respectively, then what is the minimum value of PQ + PR,