tính nhanh: 2006^2 - 1005^2 + 2004^2 - 2003^2 + .... +  2^2 -1^2

Social development, advanced technology to meet with human needs. The Internet - is a convergence of information sources from big to small and has been well known to young people and has many different types of entertainment, but young people use it incorrectly. So what should we do to solve this problem? The cause of game addiction is due to the eye-catching advertisements that stimulate the curiosity of young people, the psychological instability when entering to get acquainted with social networks or the games that attract readers. Game addiction is also because children of the same age want to express themselves to their friends. In addition, schools and parents have not managed their children closely. The consequences of the experiment are very unpredictable. Yes, the game has a lot of useful things and its good side, there are many types of games such as learning to cook, brushing teeth, …etc. But the dark side of the game can make young people go deep into the path of game addiction. Today's young people can sink into the virtual world within hours or even days. Game addiction can make young people prone to violence and repeat similar actions in real life. Just like looking at a computer screen all day, it can damage your eyes and damage your eyes. Online games cause people to act violently, such as killing, bombarding or fighting each other. To overcome the consequences not to last, we need the help of adults. Every parent should spend more time with their children; minimize the time children use phones, computers, the internet, etc. Schools and teachers need to coordinate with parents to organize more extra-curricular activities as well as propagate and educate children about the harmful effects of alcohol. online games. Playing online games for fun is not bad, but letting children play violent games and addicted to games is a behavior worthy of condemnation. Every parent should have a smart way to teach their children so that they can develop best and become useful people to society.

#Martha