Предмет: Алгебра, автор: Ibragim111111

проошу помогите желательно сфоткайте с листочка(

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Автор ответа: LFP

свойство пропорции (6 класс):
произведение крайних членов пропорции равно
произведению средних членов пропорции.
пропорция --это равенство двух отношений (дробей)
х * 3.75 = 10.5 * 2.5
х = 10.5 * 2.5 / 3.75 = 105 * 25 / (15*25) = 105/15 = 7

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THE RUSSIAN FEDERATION
About Russia
Location
Russia is also officially known as the Russian Federation. It’s the largest country in the world with the total area of about 17 million square kilometers. Russia is situated in Europe and in Asia. It is washed by 12 seas. Russia borders on Norway, Finland, Estonia, Latvia, Lithuania, Poland, Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea. It also has a sea border with Japan and the United States. The population of Russia is about 142 million people. It’s the ninth most populous nation in the world. The capital of the country is Moscow.
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Industrial country
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