What is the retail price of A4 paper?
The price of 12 to 30 is uncertain, and the quality of paper separation is good or bad.
A4 paper is defined by ISO2 16, and its specification is 2 1*29.7cm, which is the international standard for paper sizes used in most countries in the world.
This standard was first incorporated into DIN by Weimar * * and China in 1922. Although some formats were formulated by French at the same time, they were later forgotten. O2 16 defines three groups of paper sizes: A, B and C. Group C paper size is mainly used for envelopes.
The aspect ratio of group A paper size is √ 2: 1, and then the nearest millimeter value is rounded. A0 is defined as paper with an area of one square meter and an aspect ratio of √ 2: 1. The following paper sizes, such as A 1, A2, A3, are all defined as the paper with one digit missing is folded in half along the long side, and then rounded to the nearest millimeter.
The size of group B paper is the geometric average of the same number of sheets and one less number of sheets of group A paper. Before the popularization of printers, group B paper was mostly used. Group C paper size is mainly used for envelopes.
How many a4 sheets are there in a box?
70g copy paper: the price of a box of 5 packs of 2,500 sheets is 79 yuan. 80g copy paper: a box of 5 packs of 2500 99 yuan.
Pulp raw materials are mainly divided into wood pulp, waste paper pulp and non-wood pulp; Different kinds of paper use different kinds of pulp. Double offset paper, coated paper, white cardboard, household paper and special paper mainly use wood pulp, while wrapping paper, paperboard and newsprint mainly use waste paper pulp.
Market bill price
The roll paper and drawing paper displayed on the shelves are all affixed with yellow promotional price tags. For example, the retail price of Qingfeng three-layer coreless roll paper dropped from 16.9 yuan to 9.9 yuan, and the retail price of four-layer flower roll paper was positive. It is sold at a discount of 73%. In JD.COM, Tmall and other large e-commerce platforms, the price of household paper is also declining. For example, Vidal Blue Classic 4-story 27-roll net participated in the 300-30 team competition.
How many A4 sheets are scanned?
Color ink or ink cartridge, the kind that the school wants to print and copy, is cheaper. That's it. There are no pictures. Because other people's printing is also a skilled labor force. Sorry, including paper.
Then print it out, in Chengdu. I want to know how many copies to print. Copy 1 gross, really, how much is it? I haven't printed it before. Super cheap.
See where you print and copy) 60 cents. You run to the school, ask me for 4 yuan a page, and print a colorful A4 paper receipt.
Printing money without optical scanning is also for the convenience of everyone. It will be more expensive if you ask that person to call one for you, so you'd better repair it yourself? The difference between printing and copying costs will not exceed three points. Why is this charge not outrageous? At school, it is 1 minute. Generally, a card costs less than 50 cents, and the approximate price is: 1 cent-1 yuan/page, depending on the nature of the store.
Open a printing factory. 23 cents, copy and print an A4, it will be more expensive around primary and secondary schools.
It is really cheap there. They charge you 3 yuan money. Of course, the charge of one yuan is not high. Printing fee 1 yuan, and you will know the price. What is the price? Please indicate the area.
How many A4 sheets do you usually pack? What is the normal price? thank you
A pack of 70g A4 printing paper is 15 yuan /500 sheets, and now the price has increased to 18.8 yuan /500 sheets, with an increase of about 25%.
Pulp raw materials are mainly divided into wood pulp, waste paper pulp and non-wood pulp; Different kinds of paper use different kinds of pulp, such as offset paper, coated paper, white cardboard, household paper and special paper. Wood pulp is mainly used, while wrapping paper, cardboard and newsprint mainly use waste paper pulp.
Pulp 2 105 contract closed at 7 106 yuan/ton, up 22.43% from the beginning of the year; On September 30, 2020, the pulp 2 105 contract closed at 4766 yuan/ton. Based on this, it is not difficult to estimate that the purchase price of pulp has increased by 49% in half a year.
Market bill price
The roll paper and paper painted on the shelves are all labeled with yellow promotional price tags. For example, the retail price of a three-layer coreless roll paper in Qingfeng has dropped from 16.9 yuan to 9.9 yuan, and a four-layer composite roll paper is being promoted at 73% discount. On large e-commerce platforms such as JD.COM and Tmall, the price of household paper is also decreasing. For example, the 27-roll web on the 4th floor of Vidal Blue Classic is participating in the group assembling activity of 300 minus 30.
"We often use 180g/ roll of roll paper at home. When it comes to 10 roll, we will use 19.9 yuan. Even if the price is increased by 20%, it will only be 4 yuan at most. If we want to save 20 yuan, we have to buy 5 rolls of paper to go home, which takes up a lot of space. " Ms. Gong, who is shopping in the supermarket, said that even if the price rises, she will not hoard paper.
How many A4 sheets do you usually pack? how much is it?
A pack of 500 sheets, the price depends on the quality, variety and region of the paper, and the market price is between 17~30 yuan.
The general process of inquiry begins with finding and asking questions. After finding the question, make assumptions about the answer to the question according to your existing knowledge and life experience. Design investigation scheme, including selection of materials, design methods and steps, etc. I make an inquiry according to the inquiry scheme, get the result, and then analyze whether the result is consistent with the hypothesis, so as to draw a conclusion. Not all questions need to be explored once to get a correct conclusion. Sometimes, because the method of inquiry is not perfect, wrong conclusions may be drawn. Therefore, after drawing a conclusion, we should reflect on the whole inquiry process. The general methods and steps of inquiry experiment are: asking questions, making assumptions, making plans, implementing plans, drawing conclusions, expressing and communicating.
The common methods of scientific inquiry are observation, experiment, investigation and data analysis.
Observation is the basic method of scientific inquiry. Scientific observation can be made directly with the naked eye, with the help of magnifying glasses, microscopes and other instruments, as well as cameras, video recorders, video cameras and other tools, and sometimes measurement is needed. Scientific observation should have a clear purpose; Observation should be comprehensive, meticulous and realistic, and recorded in time; Planned and patient; Think positively and record in time; It is necessary to exchange views and discuss. The design of the experimental scheme should closely focus on the questions and assumptions raised. When studying the influence of a condition on the research object, experiments with the same conditions except this condition are called control experiments. General steps: find problems and ask questions; Collect information related to the problem; Make assumptions; Design the experimental scheme; Conduct experiments and record them; Analyze experimental phenomena; Draw a conclusion. Investigation is one of the common methods of scientific inquiry. When investigating, we must first make clear the purpose and object of the investigation and make a reasonable investigation plan. Sometimes, due to the large scope of investigation, we must select some objects as samples during the investigation. In the process of investigation, we must record it truthfully. We must sort out and analyze the survey results. Sometimes it is necessary to use mathematical methods for statistics. Collecting and analyzing data is also one of the common methods of scientific inquiry. There are many ways to collect data. Go to the library to consult books, newspapers and periodicals, visit relevant people and collect them online. The forms of data include words, pictures, data and audio-visual materials. It is necessary to sort out and analyze the obtained data and find the answer.