Предмет: Математика, автор: KosMospi

найдите значение выражений

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Автор ответа: АлександрГлушков

1.так как в первом выражении присутствует минус, выражением складываем и ставим знак - ответ: -6,1
2. 4,2

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THE FUNCTIONS OF MONEY

Just what is money? There is an old saying that “money is what money does.” In a general sense, anything that performs the functions of money is money. Here are those functions:
• Medium of exchange First and foremost, money is a medium of exchange that is usable for buying and selling goods and services. A bakery worker does not want to be paid 200 bagels per week. Nor does the bakery owner want to receive, say, halibut in exchange for bagels. Money, however, is readily acceptable as payment. Money is a social invention with which resource suppliers and producers can be paid and that can be used to buy any of the full range of items available in the marketplace. As a medium of exchange, money allows society to escape the complications of barter. And because it provides a convenient way of exchanging goods, money enables society to gain the advantages of geographic and human specialization.
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