Only a decade ago the address of searching information was the library, and the tools were the thick books. Now any site can serve for it, if there is Internet. What you do not know is a matter of a second: just one click, and the information is already available. One should only master several secrets. The expert advises to use key words while searching on the Internet.
If some years ago it was hard for pupils to solve complicated mathematical tasks and equations, today they must just come to terms with web search engines.
Some tricks of those engines are already decoded, we just need to apply them and make the search easier and more productive in case of necessity.
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