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в двух больших и пяти маленьких бидонах 130 л молока. сколько молока входит в маленький бидон,если его вместимость в четыре раза меньше вместимости большого?
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Предмет:
Математика -
Автор:
isabelle - 5 лет назад
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Ответы 1
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пусть х - вместимость маленького бидона4х - вместимость большого бидона вместимость двух больших бидонов 2·4х или 8х, вместимость пяти маленьких бидонов 5хв двух больших и пяти маленьких бидонах 130составим уравнение:
8х+5х=13013х=130х=130:13х=10 (л) - в 1 маленьком бидоне.Ответ: 10 литров молока в 1 маленьком бидоне.
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Автор:
chipnkoj - 5 лет назад
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0
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Переведите текст...даю 100 баллов!
Until few centuries ago there were many natives of what we call the British Isles, who didn’t speak English. The western land of Wales spoke Welsh; in the farthest north and the islands of Scotland the language was Gaelic; and a similar language, Irish Gaelic, was spoken in Ireland; Manx was the language of the Isles of Manx and Cornish that of the south-western tip of Britain.
In Scotland the Gaelic Language Society has existed for eighty years. It’s dedicated to preserving the traditions of the Gaelic songs, verse and prose. And nowadays more and more people in the Lowland areas of Scotland, as well as the islands, where Gaelic is still spoken, now want to learn the language. Since 1970s many people go to evening classes and learn Gaelic. Gaelic can be chosen for the final exam. In Wales the Welsh Language Society was founded in 1962 and since that time it has been trying to restore Welsh to an equal place with English. In 1967 Welsh was recognized as an equal language for use in law courts. In Wales some of the programmes of the IVth channel are broadcast in Welsh.
English is spoken as a native language by more than 300 million people, most of them living in North America, the British Isles, Australia, New Zealand, the Caribbean and South Africa. In several of these countries English isn’t the sole language (e. g. in Canada — French is also spoken; many Irish and Welsh speak the Celtic language). But English is the second language for governmental, commercial, social or educational activities in the countries where native language isn’t English.
In about 25 countries English has been used as an official language (either it is the sole official language there, or it shares that status with other languages).
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Half of the world’s scientific literature is in English. It is the language of automation and computer technology. It is not only the universal language of international aviation, shipping and sport, it is also the universal language of literacy and public communication. It is the major language of diplomacy and it is the most frequently used language in the general conduct of UN business.
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