What do you mean by adding and subtracting fractions? What's the point? It is urgent.

What do you mean by adding and subtracting fractions? What does fractional addition mean? What does fractional addition mean? Like integer addition, fractions with different denominators are added to addition and subtraction operations with the same denominator.

The denominator is the same, only add and subtract molecules, I hope I can help you!

What is the code of World War III decompression! Urgent 1. First of all, look at which website you downloaded it from. If it is free, the website should have a hint.

2. View compressed file properties-comments

Elementary school olympiad urgently asks for an explanation! ! ! ! ! ! ! ! ! 13× (x-25) = 3× (x+25) Two barrels of oil * * * weigh 400k ...13× (x-25) = 3× (x+25).

13x-325 = 3x+75 10x = 400 x = 40

Two barrels of oil * * * weigh 400kg, the first barrel uses 25%, the second barrel uses 50%, and the remaining two barrels are equal. How many kilograms were there in these two barrels?

Assume that two barrels of oil each have X kilograms left, the first barrel of crude oil X/( 1-25%)=x/0.75, and the second barrel of crude oil X/( 1-50%)=x/0.5.

x/0.75+x/0.5= 400 x= 120

The first barrel of crude oil 120/0.75= 160 kg and the second barrel of crude oil 120/0.5=240 kg.

A batch of construction waste takes 8 days to transport by car, 6 days to transport by car and 5 days to transport by car. If A, B and C are transported separately, how many days will it take to complete the transportation?

Are A, B and C shipped at the same time? Car A delivers 1/8, car B delivers 1/6 and car C delivers 1/5 every day.

Three vehicles are transported at the same time every day (1/8+1/6+1/5) = 65438+59/020.

1 divided by (65438+59 of 020) = 020 of 65438+59 = 2 and 2 of 59.

A little over two days.

Write your partner's composition. Go, go, go. Urgent! Fast 500 words, my little friend.

When I was in the fourth grade in Guangdong, I had a picky little friend.

Her clever and keen eyes are embedded in the melon face, and there is a small cherry mouth under her small and exquisite nose, which is very lively and lovely. A tall ponytail with a unique bow.

She is from Sichuan and likes to eat Chili. Her other hobby is finding fault. She is a health worker in her class. Should she have her nails cut or her hair cut? She should wear a hairpin that doesn't match her color and skin color. Someone said, "You are too generous!" But she didn't manage it properly, so she became recognized as the "king of nitpicking" in her class.

She is not only in my class, but also my deskmate and neighbor. So I picked countless thorns. In a Chinese class, the teacher gave out monthly examination papers. Wow! I got 100, which made me ecstatic. Just after class, "picky king" took my test paper and saw her scanning line by line. Then her keen little eyes stared at a place and said to the teacher, "You have misjudged this question." The teacher looked at the test paper and said, "You're right, it's the teacher's negligence." My test paper suddenly became 99 points.

Our family moved to Shanghai soon. At the end of the term, after the exam, I set off with my family that afternoon.

One day soon after I arrived in Shanghai, I received a courier from Guangdong. When I opened the eye-catching three characters at the bottom of the homepage, the name of "picky king" first came to my eye. I thought to myself, how can this "picky king" catch up with Shanghai? Let's look at this letter first. I read it carefully: "Po, congratulations!" " You got a double percentage at the end of the term. The teacher and everyone miss you very much. I picked the most faults for you before. Please don't hate me ... "

After reading the letter, looking at the test paper and certificate, I couldn't help crying, thinking: I really should thank the "picky king". If she hadn't helped me correct so many mistakes at ordinary times, it would be difficult to have good grades today.

Now, I often think of this good partner. With such friends, I will make faster progress.

References:

The original text is for reference only

I hope my answer can help you, and I wish you progress in your study! Please accept satisfaction, thank you!

"After Reading Ten Analects of Confucius in Lesson 10 of the First Volume of Chinese in Grade Seven" is only five words, but it contains Qian Qian's philosophical thought, which teaches us how to read and learn, embodies the unique views of sage Confucius in teaching and educating people, and embodies the profoundness of Confucian culture and the long history of China's 5,000-year ancient civilization.

Confucius, a great thinker and founder of ancient Confucianism, said that he once said, "Review the past and learn the new." In the past, I always had a little knowledge of that sentence, and often pretended to be very knowledgeable and said, "Review the past and learn the new, review the past and learn the new." Until today, I really understand the truth of this sentence. People usually read books only once. In this way, they can only understand the superficial meaning, but can't understand its internal meaning and more knowledge. On the surface, it is clear that the five strong men of Langya Mountain are extremely brave. The internal meaning reflects that justice will surely triumph over evil. * * * led the PLA to sacrifice many soldiers for today's happy day. As long as you read it again, you will find that the words used in this sentence are accurate. For example, the word "jump" shows the courage of the five strong men of Langya Mountain and their firm belief in serving the country. If you read it again, I am sure you will find more truth. Reading is like this again and again, from shallow to deep. I still read some books I didn't like when I was a child, but now I feel very different from before. Although it is a children's book, there are profound changes in writing and conception. I have benefited a lot from reading these books over and over again. The books are like this. Now I still watch Kojiro from time to time, because he let me know that one should have lofty aspirations at all times.

"Reviewing the past and learning the new" is only five words, but it contains Qian Qian's philosophical thoughts, teaches us how to read and learn, and embodies the unique views of sage Confucius in teaching and educating people, the profoundness of Confucian culture and the profoundness of China's 5,000-year-old civilization.

It's been like this since the computer started. Which expert can help answer it, online, etc. There are mainly the following methods to reinstall the system:

1.CD installation.

2.u disk installation.

3. Installation in virtual cd.

4. Hard disk installation (including installation under Dos)

5. Use mirror backup to restore the system directly.

Let's take the most commonly used CD installation as an example:

How to install the operating system?

Step 1, set the lights:

The so-called optical startup means that the computer reads the optical drive first when it is started, so that if there is a CD with optical startup function in the optical drive, it can be read before the hard disk is started (for example, when installing the system from the CD).

Setting method:

1. Start the computer and hold down the DEL key until the BIOS setup window (usually with blue background and yellow English words) appears.

2. Select and enter the second item, "BIOS Settings". Find the entry or group containing the BOOT text, and find three entries "first", "secend" and "third" arranged in sequence, representing the first boot, the second boot and the third boot respectively. Here we can set it to CD-ROM drive, floppy drive and hard disk in turn. (If you don't see these three E's on this page, the option menu on the right side of the boot is usually "Settings", and you can see them by pressing Enter. You should select "the first one" and then press enter, and select CD-ROM in the submenu that comes out. Press enter again.

3. After selecting the startup mode, press F 10 to open the E-text dialog box, and press "Y" (which can be omitted) to enter, and the computer will automatically restart, which proves that the changed settings are effective.

Step 2, install XP system from CD.

Insert the XP installation CD before restarting. When you see the word CD at the bottom of the screen, press Enter. Only when the light is turned on can the computer start reading the hard disk, which means skipping the light and starting from the hard disk.

After the XP system disk is opened, an installation interface with a blue background will appear. At this point, the system will automatically analyze the computer information without any operation until the display screen turns black, and then a Chinese interface with a blue background will appear.

At this time, the first protocol of XP system appeared. Press F8 (indicating agreement with this agreement), and you can see the information list of all partitions of the hard disk with Chinese operation instructions. Select drive C and press D to delete the partition (remember to back up the useful files of drive C first). The location of drive C becomes "unpartitioned", and then press the c key to create a partition in the original location of drive C (that is, the "unpartitioned" location). There is no need to resize the partition. After that, the position of the original C disk becomes "new unused" and press enter to continue.

Next, there may be a page with the option of formatting partitions. It is recommended to select "Format partitions with FAT32 (fast)". Press enter to continue.

The system began to format drive C, which was very fast. After formatting, the hard disk and the previous WINDOWS operating system are analyzed, which is also very fast, followed by copying files, which takes about 8 to 13 minutes (depending on the machine configuration).

After copying the file (100%), the system will automatically restart. When you see the CD-ROM again, you don't need to press any key to start the system from the hard disk, because some installation files have been copied to the hard disk (note: you can't take out the CD at this time).

A color XP installation interface with a blue background appears, and the installation progress bar and remaining time are displayed on the left. The initial value is 39 minutes, which is also determined according to the configuration of the machine. Usually, the installation time of P4 and 2.4 machines is about 15 to 20 minutes.

At this point, until the installation is finished, the computer will automatically restart, and there is no need to do anything except enter the serial number and computer information (fill in at will) and press Enter for 2 or 3 times. The system will automatically complete the installation.

The third step is to install the driver.

1. After restarting, take out the CD, let the computer boot from the hard disk and enter the XP setting window.

2. Click Next, Skip, and select No Registration and Finish.

3. Enter the XP system desktop.

4. Right-click the desktop, select Properties, select the Display tab, click the "Customize Desktop" item, select "My Computer", and then select "OK" to exit.

5. Return to the desktop, right-click my computer, select Properties, select the Hardware tab, and then select Device Manager. All computer hardware has a management window, and all options with yellow question marks and exclamation marks in front represent hardware without drivers installed. Double-click to open its properties, select Reinstall the driver, put the corresponding driver CD, and select Automatic Installation. (Audio is a sound card, VGA is a graphics card, and SM is the motherboard. You need to install the motherboard driver first. If there is no SM item, installation is not required. ). After installing all drivers, restart the computer. Driver installation is complete.

Urgent! Who has a case or template of human resource recruitment scheme! Urgent need! What you want is this.

Job recruitment application form

DocumentNo. FormNo. (year) (month) (day) (serial number)

The applicant department applies for employees

Number of incumbents in recruitment positions

Application type □ Newly-added personnel □ Recruitment method to replace existing personnel □ External open recruitment □ Internal transfer and deployment.

It is required to arrive at the post before the latest.

Reasons for application

Job Description "Please fill in the job nature, job content and job characteristics of the recruitment position.

1

2

three

four

five

"

Job Requirements "Please fill in the gender, education, skills and work experience of the recruiter.

1

2

three

four

five

"

Benefits "Please fill in the salary and benefits of the recruiter during the probation period, the salary and benefits after becoming a full member, and whether to provide accommodation.

1

2

three

four

5"

Reviewer: Approver:

Audit opinion approval opinion

What is the reason for the blue screen of the computer every 40 minutes? Wait online! ! ! ! ! ! ! ! ! How to solve the computer blue screen? First, find out the reason why the computer has a blue screen. There are many reasons for computer blue screen, such as computer blue screen caused by overclocking, computer blue screen caused by poor contact or memory damage of memory sticks, computer blue screen caused by hard disk failure, and computer blue screen caused by installed software. This paper will introduce and analyze the causes and solutions of computer blue screen phenomenon one by one.

How to solve the blue screen of computer

What about the blue screen of the computer?

Scheme 1: overclocking of the computer leads to a blue screen of the computer.

The reason of blue screen phenomenon can be explained from both soft and hard aspects. In terms of hardware, overclocking is a major reason for blue screen. Excessive overclocking, because of overload operation, leads to too many internal operations, overheating the cpu and causing system operation errors. If you want to overclock without blue screen, you have to do a good job of cooling. It would be much better to change a powerful fan and add some heat dissipation materials such as silicone. In addition, moderate overclocking or not overclocking at all is also one of the solutions. It's up to you to decide whether you want stability or higher speed. But for most friends, overclocking operation is generally not performed, so it is not practical for most friends.

Excessive overclocking of the computer leads to the blue screen of the computer.

Scheme 2: Poor memory contact or memory damage leads to the blue screen of the computer.

In practical work, the most common phenomena of computer blue screen are poor contact of memory chips (mainly because there is too much dust inside the computer, which often happens in old computers) and computer blue screen caused by hard disk failure. Of course, computer memory failure will also lead to the phenomenon of computer blue screen.

Solution:

Because most of the blue screen failures caused by memory are caused by excessive internal dust or poor contact, the solution is simple. As long as you open the computer case, pull out the memory stick, clean the gold finger of the memory stick, clean the slot and put it back, the general problem can be solved. If the problem is not solved, it is determined that it is a memory failure, and the problem can be solved by replacing the memory stick.

Poor memory contact or memory damage leads to the blue screen of the computer.

Scheme 3: The computer has a blue screen due to hard disk failure.

Problems with the hard disk often lead to the blue screen of the computer, such as bad tracks on the hard disk and errors in reading data by the computer. Because the hard disk, like the memory, carries some data access operations, if there are bad tracks in the area where the system files are accessed/read, the system will also fail to operate normally, leading to the system crash and the computer's blue screen.

Solution:

Check the bad tracks on the hard disk. If there are a lot of bad tracks on the hard disk, it is recommended to back up the data and replace the hard disk. If there are fewer bad ones, it is recommended to back up the data and reformat the partition disk. Friends who know the computer hard disk can also isolate the bad hard disk area. Then reinstall the system to solve the problem.

Hard disk failure leads to blue screen of computer.

Scheme 4: The existence of the installed software will not lead to the blue screen of the computer.

If the computer starts to work well, soon after installing certain software one day, the computer will have frequent blue screen failures. Most of these problems are incompatible with software, but this kind of incompatibility of computer software generally rarely occurs.

Solution:

If you make sure that the computer is working normally before starting, and the computer often has a blue screen after installing some software, then you can try to uninstall the software installed later. If the problem is solved, it is usually the blue screen of the computer caused by software incompatibility. If the problem is not solved, it may be caused by other reasons.

The existence of installation software not only leads to the blue screen of the computer.

Scheme 5: The virus in the computer causes the blue screen of the computer to fail.

The problem of "how to solve the computer blue screen" may also involve computer viruses. Nowadays, there are more and more kinds of virus Trojans, and there are various ways of transmission. It's impossible to stop them. Some virus Trojans can infect system files, causing system file errors or exhausting system resources, and may also cause blue screen phenomenon. So if you find a blue screen on your computer, please think carefully about whether you have been to some bad software or downloaded some programs from junk websites.

Solution:

I found that the computer has a blue screen, so I can carry out anti-virus operation after restarting the computer next time. It is recommended to use the current mainstream antivirus software for killing. If you encounter a malicious virus, it is recommended to restore or reinstall the system.

Computer virus causes computer blue screen failure.

Scheme 6: The excessive temperature of the computer leads to the blue screen of the computer.

The high temperature of hardware inside the computer is also a common reason for the blue screen phenomenon of the computer. This happens mostly in hot summer, which is caused by the high temperature of cpu. Sometimes when the computer is blue, it opens the chassis. If the internal temperature is high, it is probably caused by too high a temperature. Excessive temperature mainly refers to cpu, graphics card and hard disk.

Solution:

I found that the computer has a blue screen and the temperature inside the computer is very high. At this time, the temperature of the hardware can be detected. Computer hardware temperature detection method: If a cpu, graphics card or hard disk is found to be extremely hot, it is likely that the computer is not cooling well, resulting in a blue screen. Solution: If it is caused by the temperature of cpu or graphics card, then start the computer to see if the cpu fan and graphics card fan are rotating normally. If it is normal, it is suggested to strengthen the heat dissipation of the main engine, such as adding a chassis for heat dissipation. If the temperature of the hard disk is too high

The excessive temperature of the computer leads to the blue screen of the computer.

Scheme 7: Computer blue screen caused by other reasons

Other reasons, such as abnormal power supply caused by computer power failure, frequent crashes, etc. , as well as computer hardware incompatibility, most of them appear on newly bought assembled computers. In this case, you can search related hardware information online, buy and assemble computers, and choose balanced and compatible hardware collocation. In short, there are many reasons for the failure of computer blue screen. The above are some common reasons and solutions.

Solutions to computer blue screen failure;

The method to solve the computer blue screen fault is the same as most computer fault methods, mainly based on the above possible fault reasons to analyze and solve the problem. The general method is to destroy the software first and then the hardware. Here, the author's general idea is as follows:

The cause of the computer blue screen failure is not obvious. First, check whether the computer hardware temperature is normal, and clean up the dust inside the computer host, especially the memory chips. If the problem is not solved, scan the whole computer with anti-virus software. If the software method can't solve it, you can try to see if it is a hardware failure, such as a memory stick or a hard disk problem.

Kneel down! The question about 20 10 adult college entrance examination is urgent ~~~ 1. You can apply for schools outside the province. As long as it is registered in Jiangsu province, you can apply for that school in Nanjing.

2. Yes.

3. Night college means going to our headquarters for classes, but it's all in the evening, which actually means amateur.

Excuse me, what words can red letters change into? R change: bed, Fed, leadership

E change: rid, rod