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The sum of the two numbers is 91. When Xiao Hong calculates this problem, he drops the "0" on one of the addends, and the result is 37. The two numbers are () and ()
31 60
1. The median is the number in the middle of a set of data arranged by (). When the number of a set of data is even, the median is ()
The median is the middle number of a set of data (from small to large). When the number of a set of data is even, the median is the average of the two middle numbers
1. Dancing with elephants introduces Thai people's harmony with elephants with specific examples
2. Colorful Africa comprehensively introduces Africa's passion and color from five aspects
1. Dance with elephants introduces the harmony between Thai people and elephants with four specific examples
2. Colorful Africa comprehensively introduces Africa's passion and colorful from five aspects: African plants, African animals, natural scenery, people's daily life and art
Mathematics problems 1. The price of two story books and three comic books is 23.2 yuan
Mathematics problems
1. The price of two story books and three comic books is 23.2 yuan. How much is the unit price of story books and comic books?
The problem is not comprehensive
As far as objective facts are concerned, there are still many answers to this question
How much is 3 / √ 27 after simplification?
Simplify 3 / √ 27 = to process!
3 / 3 radical 3 = 1 / radical 3 = radical 3 / 3
Remember to adopt it
Use balance and scale to measure the length of a bundle of fine copper wire with mass m, which can not be disassembled
Take a small section of copper wire, measure its mass m with balance, and measure its length L with scale, then the total length of copper wire is m × L △ M
Answers to follow up reading in the first lesson of the Chinese exercise book (PEP) for the second semester of the sixth grade
Given that the greatest common factor of a number and 24 is 4, the least common multiple is 120, find this number
The answer is: 20
The ratio of 6 to 8 is equal to X to 12
6:8=x:12
8x=6×12
8x=72
x=9
If two real numbers are equal, then their inverse proposition of equal square is false
If the squares of two real numbers are equal, then they are equal
False proposition
For example, 2 & # 178; = (- 2) &# 178; = 4
But 2 ≠ - 2
RELATED INFORMATIONS
- 1. Four out of nine tons can be regarded as one ton (), or four tons ()
- 2. A number can be divided by 14, 35 and 42. The maximum number is______ ．
- 3. 101*101+102*102+103*103+104*104+…… 200*200=?
- 4. The solutions are x + 2Y + Z = 8,2x-y-z = - 3,3x + y-2z = - 1 and X + 2Y + 3Z = 4, y + Z = 1,3x + 2Z = 3
- 5. 5 / 8 (divide unit "1" into 8 parts on average, take 5 parts of them, and use 5 / 8) or () A number 3, 5, 7 is divided by all and the minimum number is ()
- 6. How to do the second question on page 40
- 7. At least one way to describe the three words is dawn, solemnity, bowing, trembling, exhausted, leisurely and immortal At least one way to describe the three words is dawn, solemnity, bowing, trembling, exhausted, leisurely and immortal fast
- 8. Make sentences with dawn, rubble, cellar, stolen goods, gone
- 9. Use a sentence about 80 words about the place that you don't need to say or say
- 10. Make a sentence: happy
- 11. Primary school fifth grade mathematics urgent! Please answer in detail, thank you! (4 21:2:33) Solve the following equation 6X+6x8=72 (X+8)x6=72 8(X-2.6)=32 8X-8x2.6=32 0.3x7+4X=12.5 1.6X-24x2=36
- 12. 6 / 8 numerator plus 9, denominator plus (# 160;) the size of the fraction will not change?
- 13. In △ ABC, if AB = 15, AC = 13 and high ad = 12, the perimeter of △ ABC is () A. 42 B, 32 c, 42 or 32 D, 37 or 33
- 14. Compare the sizes of root 5, root 11, root 123
- 15. If we know that a and B are nonzero, asin α + bcos α ACOS α - bsin α = Tan β, and β - α = π 6, then Ba is equal to () A. 3B. 33C. -3D. -33
- 16. Functions (26 16:51:57) If f (x) = 1 + logx3, G (x) = 2logx2, try to compare the size of FX and GX
- 17. Logarithmic function (7 17:48:51) Given that the range of y = ㏒ 0.5 (x2-2x + a) is r, the value range of a is obtained
- 18. The axis of symmetry of cosine function y = cosx. What are the centers of symmetry?
- 19. Urgent (10 21:51:23) Find the maximum value of the function f (x) = the square of X + the square of 2A (a is a constant) in the interval [2,4]? Note: if you can't type a square, you use words
- 20. A shopping mall sells desk lamps with a purchase price of 30 yuan at 40 yuan, with an average of 600 lamps sold per month. The survey shows that every 1 yuan increase in the price of this kind of desk lamp will reduce its sales by 10. In order to achieve an average monthly sales profit of 10000 yuan, the shopping mall decides to take price control measures to expand sales and reduce inventory. How much yuan should the price of this kind of desk lamp be? How many table lamps should I enter at this time?