With the National Anthem playing, the five-star red flag slowly rises It's urgent;;;;;;

With the National Anthem playing, the five-star red flag slowly rises It's urgent;;;;;;

Delete "slowly" and "slowly" at will
With the National Anthem playing, the five-star red flag rises slowly
With the National Anthem playing, the five-star red flag rises slowly

The author of I'm proud I'm Chinese

I'm proud I'm Chinese Author: Wang huairang, among the countless blue eyes and brown eyes, I have a pair of black eyes like gems. I'm proud, I'm Chinese! Among the countless white skin and black skin, I have yellow skin like the earth, I'm proud, I'm Chinese! I'm Chinese - yellow

Wang Hong's singing and dancing are very beautiful

Wang Hong dances beautifully. Or Wang Hong sings beautifully and dances gracefully

In a triangle, the degree of one inner angle is equal to twice that of the other two. What is this triangle? What is the maximum angle?

The sum of internal angles of triangle is 180;
If one angle of a triangle is twice the sum of the other two angles
Then the largest inner angle is a, and the sum of the other two inner angles is 2 * (180 & # - a)
According to the meaning of the title, a = 2 * (180-186; - a)
The solution is a = 120 and 186; obtuse triangle
So the degree of the largest angle of a triangle is 120;

If the square of X - 2x - 1 = 0, and X

x^2-2x-1=(x-1)^2-2=0
Because x

The school basketball court is required to be 40 meters long and 24 meters wide. Now it is necessary to insert flagpoles around the basketball court and at four corners. The distance between two adjacent flagpoles is required to be equal. How many flagpoles should be inserted at the farthest distance? How many flagpoles should be inserted in total?

Therefore, the common divisors of 24 and 40 are: 1, 2, 41, 1 meter apart, a total of [(40 + 24) * 2] / 1-1 = 127, 2 meters apart, a total of [(40 + 24) * 2] / 2-1 = 63, 3, 4 meters apart, a total of [(40 + 24) * 2] / 4-1 = 31

Fill in the appropriate words in the brackets as usual
Lie: smile to happiness is like tears to sadness
(1) Diligence is to intelligence what laziness is to intelligence
(2) A lamb is to kindness what a jackal is to kindness
(3) Workers are to machines what () is to land
(4) The train is to the railway what () is to the sea
I can't find. 555

(1) Diligence is to cleverness what laziness is to folly
(2) A lamb is to kindness what a jackal is to cruelty
(3) The worker is to the machine what the farmer is to the land
(4) A train is to a railway what a ship is to the sea

X / x-3-5x / x ^ 2-x-6 calculation

The original formula = [x / (x-3)] - [5x / (X & # 178; - X-6)] = [x / (x-3)] - (5x) / [(x-3) (x + 2)] = [x (x + 2)] / [(x-3) (x + 2)] - (5x) / [(x-3) (x + 2)] = (X & # 178; + 2x-5x) / [(x-3) (x + 2)] = (X & # 178; - 3x) / [(x-3) (x + 2)] = [x (x-3)] / [(x-3) (x + 2)] = x / (x + 2)

1. For the distance of 3000 meters from the bottom, draw only 10 cm on the plan, and find the scale of this picture
2. On a map with a scale of 1:400000, the distance between a and B is 1.7 cm, and the actual distance between a and B is calculated
3. A man-made skating rink is 60 meters long and 30 meters wide. Draw it on a 1:1000 scale drawing. How many centimeters should the length and width be drawn? How many square meters does the rink cover?

1. Scale = distance on map: actual distance
10：3000=1：300
2.1.7×1：400000=680000（cm）
3.60m=6000cm 30m=3000cm
Length: 6000 divided by 1:1000 = 6 (CM)
Width: 3000 divided by 1:1000 = 3 (CM)
Floor area: 60 × 30 = 1800 square meters

Observe the following formulas: 1 × 3 = 3 = 2 square-1,2 × 4 = 8 = 3 square-1,3 × 5 = 15 = 4 square-1,4 × 6 = 24 = 5 Square-1 11 × 13 = 143 = 12 Square-1 The law of conjecture is expressed by an algebraic expression containing only one letter N ()
A. N (n + 2) = square of n-1 B, n (n + 2) = square of (n + 1) - 1
C. N (n + 2) = (n-1) Square-1 D, n (n + 2) = (n-2) Square-1 D

B