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I opened my eyes, there are so many solutions on the 3rd floor.

5+5+5=15

Because: mango one = 5

One banana = 1

Papaya one = 6

Mango is equal to 5

1 banana is 1

The one that was cut open, half of which was 6

Together, it is 5+3+6=14

Three times the two numbers are 56 3 = 168

So the other number is (168-149) (3-2)=19

So the number is 56-29=37

I'll yes on this question. First of all, systematic sampling is equidistant sampling, which means that a number of numbers with the same interval are drawn.

Step 1: Find the spacing of sampling: 800 50 = 16, (800 people draw 50 people, that is, the spacing is 16).

Step 2: Find the first number drawn: 28-16=12, (the first number drawn is 12).

Step 3: Column formula: 320<12+16n<336 (write down yourself during the solution process, and the computer is not easy to type).

The result of the formula is Step 4: Calculation result: 12+16*20=332 [so the final answer is 332].

The answer is 332

Steps according to the sampling of the system:

1.Determine the number from 1 to 800

2.Determine that the segmentation interval is k, k=800 50=163Determine the first number m:

The title says that 50 people will be drawn, so one person for every 16 people will be drawn, so the first interval is 1 to 16, the second interval is 17 to 32, and ......so onNumber 28 is drawn in the problem, so in the second interval, each interval is a series of equal differences (m+k.).,m+2k…), 28-16=12, so the first number is 12.

The interval given in the question is [320-336], according to the equation 12+20 16=332, because it is an equal difference series, it can also be based on the first set of numbers 12 is less than 16 by four, then 4 less than 336 is 332.

It is recommended to check the homework to help the effect is better.

2. Wishful thinking, wishful thinking, thirst quenching, and forgetfulness.

domineering, exquisite, and sharp;

3. The pen walks the dragon and snake, the mountains and the sea are overwhelming, nonsense, the letter is open, in one go, the head is the way, the furnace is perfect, the thunder is thousands, and the wonderful pen is full of flowers.

Described as extremely powerful: overwhelming, thunderous

Describe the ability to be outstanding: the pen walks the dragon and snake, in one go, the furnace is perfect, and the wonderful pen is full of flowers.

Describe people talking: nonsense, open mouth, head is the way

1.Journalism is the reporting of facts that have recently occurred. Characteristics of news: prompt and timely, honest and concise content. Answer: News in a broad sense, including news, newsletters, features, TV commentary, reportage, etc., and news in a narrow sense refers to news.

2.News is a style often used in newspapers, radio, television, and the Internet, which quickly and promptly reflects the latest facts in real life with clear ideas and concise words. Its characteristics can be summed up in four words: "true", "short", "fast" and "new".

3.The six elements of a message are: the event (what), the person (who), the time (when), the place (where), the cause (why), and how it happened (how).

If the original price of the clothes is x, then the price will be increased by 20% to x* (1+20%)

**120 after another 80% discount

x*(1+20%)*80%=120

x=125, the original price of the dress is 125 yuan, and the selling price is 120 yuan, so the price of this dress is 5 yuan.