Предмет: Математика, автор: KapenovaZhannA

Даю 15 баллов просто так кто первый решить пример По действиям 3010-5614:7+9042

Ответы

Автор ответа: 7980и6а5р
0
3010-802+9042=11250
,,,,

Автор ответа: DANCEteatre
0
Да точно..
Автор ответа: DANCEteatre
0
1)3010-5614=2604
2)3010-2604=406
3)406+9042=9448
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When you buy something these days, you have many ways of paying for it. Just think of them! However, you may be surprised to learn that there have always been lots of methods of payment. Long ago, people used to exchange one thing for another — an ox or a cow for rice or grain, for example. This system of exchange was called barter, but there were lots of problems. Well, how many bags of rice would you give for a cow? And how would you carry the bags? People manages to solve these problems. In the 7th century B.C. they introduced coins made of amount of gold and silver. Business became much easier, because people could now exchange money for
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