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Нужна помощь с алгеброй.
Требуется ПОДРОБНОЕ решение.
Решите уравнение: х^2 (х+1)-(х+2)(2х-3)=х^2 (х-1)
Упростить выражение: а) В-А; б) -А-В; в) А×(-В); Если А= а^2-3а+2, В=2а^2+3а-1-
Предмет:
Алгебра -
Автор:
frankyibkj - 5 лет назад
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Ответы 2
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СРОЧНО0)0)0)Ответьте на вопросы, пожалуйста 0_0 ))
Do you think robots are usefully? Why?Why not?
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Is it a good idea to replace people with robots in certain jobs? Why? Why not?
ОЧЕНЬ НАДО..... .
Russia has always been a world leader in developing new technology. Recently, Russia has achieved success in developing robot technology. The first big success came in 2003 with ARNE and ARNEA. the male and female androids, or human robots. They were made by students from St. Petersburg University and the company called New Era. These androids were able to walk, talk, avoid obstacles, understand orders, and remember objects and colours. In 2(H)4, the St. Petersburg University team, using technology from ARNE and ARNEA, won the RoboCup championship in Portugal. RoboCup is a competition in which androids play football against each other.
The Russian company Android Robotics created a more advanced android AR-I00 Dobrynya in 2007. This robot was able to ski and dance. However, the real goal of android research was to make an android that could do human jobs, so in 2008 they created the l-VAN android series. These androids do the work of a security guard and a miner.
Russia is also creating robots for the public market. In 2008 the Russian company Robotronie created a robot suitcase called Tony. Tony follows its owner by tracking a card in its owner's pocket. Il is able to avoid obstacles so it doesn't bump into other travellers and if someone tries to steal
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