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New year's day, English teachers each send a new year's message Especially the math teacher's must be good. All the homework will be sent to us at the first time (all new, not so conventional)
Mathematics teacher: 1, blessing plus blessing is three blessings, blessing minus blessing is the starting point of blessing, blessing multiplied by blessing is infinite blessing, blessing divided by blessing or blessing, wish you a happy Spring Festival! 2, success = your teaching + our efforts ", you have given us the formula, the other half we will show you excellently, I wish you
Monday, English class, I have a new English teacher, my English teacher from Canada, she is very strict. But also very good
Interesting. I often read on Saturdays and do my homework. I watch TV on Sundays, do housework and play computer games. I like Sundays
It's Monday, there are Chinese class,Maths class and English class. I have a new English teacher, and my English teacher is from Canada.She is very strict with us, but she is funny. I usually do some ...
The orangutan came to the door of the seventh room of the building and stood still. He slowly read: "two skylights give out seven; one air door extends its head." his critical eyes solidified on the four big words "enjoy it". Without waiting for him to speak, Yu Xinjiang asked: "Hey, is this like the life in the dregs cave?" "life? Life of course..." The orangutan hesitated, "but the word" happy "is always a little harsh." "Hey, change it to the word" bitter "and" bitter ". Do you want to get it?" Ding Chang asked with a smile. The orangutan pretended not to hear it and slipped away
The revolutionary heroes in the short passage are -, -, -. In this novel, there are such heroes as -, -, -
Why did the orangutan slip away when "enjoying" was changed to "suffering"?
Do you think the revolutionary's life in the dregs cave is bitter or happy? What kind of revolutionary spirit can be seen from "enjoying in it"?
What do you want to say to the revolutionary martyrs living in the prison of the enemy?
There is also a math problem: car a and car B travel from two places at the same time. Car a travels 45 kilometers per hour and car B 42 kilometers per hour. The two cars meet at the midpoint of 12 kilometers. How many hours have the two cars met after they leave at the same time?
The first paragraph is selected from the short essay "get together in prison" and the excerpt from the revolutionary novel "Red Rock" Chapter 16. The revolutionary heroes in the short essay are Yu Xinjiang, Jiang Jie and Liu Siyang. In this novel, there are also heroes such as Xu Yunfeng, Cheng Gang and Peng Songtao
RELATED INFORMATIONS
- 1. Answer the following three practical questions (the third one is based on proportional knowledge) 1. Hongxing primary school bought 135 meters of plastic rope skipping, and the swordsman made five rope skipping from 9 meters. According to this calculation, how many pieces of plastic rope can be made with the rest? 2. Dilute 400g of 8% sugar water with water to 5% sugar water. How many grams of water should be added? 3. A and B cars leave from two places 360 kilometers apart at the same time, and they run in opposite directions. They meet four hours later. The speed ratio of a and B cars is 2:3. How many kilometers per hour do a and B cars walk?
- 2. Percentage application questions knowledge points! For example: how many percent of one number is another
- 3. There is a practical problem. I will, An elephant weighs 2.6 tons, 0.25 tons less than three times the weight of a cow,
- 4. What is the main function of periscope in military_____________________________ .
- 5. 1. After the reform and opening up, many rural areas are irrigated with automatic sprinkler irrigation equipment. The water pipe is higher than the ground, and there is an automatic rotating sprinkler head at the top of the water pipe. The distance h (m) between the water flow from the sprinkler and the ground point and the water pipe satisfies the relationship H = (negative) - 1 / 2S square + 2S + 1.5, Does the distance h from the ground increase or decrease? 2. Try to write a binomial expression of three times to make it meet the following requirements at the same time: (1) It can be extracted from the common factor; (2) it can be decomposed by the square difference formula ————————- (fill in the blanks)—————————— Using factorization calculation: 3.2005 square * 0.25-4008 * 2005 * 0.25 + 2004 square * 0.25
- 6. As shown in the figure, after s is closed, R1 = 50 Ω, and the current indication is required to vary from 60mA to 600mA, what is the power supply voltage lower than? What is the maximum structure of the rheostat? The figure is a series circuit with a constant resistor R1, a sliding rheostat and an ammeter Make it clear!
- 7. Question 1: in the madeburg hemispherical test, two hollow copper balls with a diameter of 20cm were put together, the air inside was extracted, and two teams of horses were used to pull the two hemispheres in the opposite direction. If a pair of horses could produce a pull force of 1600n, it would take eight pairs of horses to pull the hemispheres apart, so as to find the local atmospheric pressure at that time? Question 2: Xiaogang's mother bought a box of milk and put it on the floor. The contact area between the box and the floor is 0.025 square meters. The total weight of the box and the milk is 5kg. The packing bag of each bag of milk in the box is marked with the words "net content 221ml 227g" (10 g) (1) What's the density of this milk? (2) What is the pressure of the milk on the floor?
- 8. Calculation of buoyancy pressure in the second year of junior high school 20 calculation problems about buoyancy pressure I will add 20 points after answering
- 9. On the physics of density, 1. If the mass ratio of a and B is 1:4, the volume ratio of a and B is 1:4_____ And the density ratio is_____ . 2. A city has decided to use a special alloy material to cast a statue of a hero who has done a good deed. The height of the statue is 1.75m. In the design, the same metal material is used to cast a scaled down sample. The height of the sample is 17.5cm and the mass is 700g. Then, what is the mass of the finished product of the hero statue? 3. There is a shot with a volume of 2.5 square decimeters and a mass of 22.6kg. Is the shot solid or hollow? If it is hollow, what is the volume of the hollow part?
- 10. Physics the transmission of sound A man stands in the gymnasium and shouts. He hears that the interval between the echoes of the two walls is 0.3 seconds. It is known that the gymnasium is 136 meters long. How many meters are he from the two walls?
- 11. New year's greetings to teachers of mathematics, Chinese, English, physics, chemistry, biology, politics and geography. Thank you!
- 12. This is our teacher Li
- 13. If x and y are inversely proportional and y = 12 when x = 16, then when x = 10, y = ()
- 14. On the principle of drawer Among the six monkeys on monkey mountain, one must have got at least five peaches. How many peaches are there in this pile?
- 15. The topic of drawer principle 1. Proof: in any five integers, three numbers must be taken out, so that their sum can be divided by three 2. A school sent 204 students to plant 15301 trees on the mountain, among which at least one person planted 50 trees and at most one person planted 100 trees, proving that trees planted by at least five people were the same
- 16. 1. From 1 to 36, how many numbers can be taken at most so that the difference between the two numbers is a multiple of 5? 2.1 to 100, take at least several numbers to ensure that one of them must be divisible by 5?
- 17. A question about the principle of drawer There are five arbitrary points in the rectangle with 6cm and 8cm sides (including the boundary). The distance between at least two of the five points is less than 5cm. Why?
- 18. A drawer principle problem, but also analysis The summer camp organizes activities for 200 students, including visiting famous schools, surfing on the sea and mountain climbing. It is stipulated that each student must participate in one or two activities, so how many students participate in the same activities at least?
- 19. How to do the problem of cutting off the remaining volume of a small cone in a cone The poem goes like this: on a cone with a bottom radius of 6 decimeters, cut off a cone with a bottom radius of 3 decimeters. The known cut off part is the volume of 27 cubic decimeters
- 20. Super difficult exercises of solving cylinder and cone More is better! Thank you very much!