Сколько различных танцевальных пар могут составить 3юноши и 2 девушки??Прошу помогите - №11850946

Сколько различных танцевальных пар могут составить 3юноши и 2 девушки??Прошу помогите пожалуйста
- Предмет:
  Математика
- Автор:
  munchkinsantana
- 6 лет назад

Ответы 2

Ok
- Автор:
  hammerqvym
- 6 лет назад
- 0
2 пары потам учтя 2 девушки
- Автор:
  skyler4
- 6 лет назад
- 0
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Решите уравнение
0,4х+3,8=2,6-0,8х
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- 6 лет назад
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переведите пожалуйста
There are numerous myths about the origins of money. The concept of money is often confused with coinage. Coins are a relatively modern form of money. Their first appearance was probably in Asia in the 7th century BC. And whether these coins were used as money in the modern sense has also been questioned.
To determine the earliest use of money, we need to define what we mean by money. We will return to this issue shortly. But with any reasonable definition the first use of money is as old as human civilization. The early Persians deposited their grain in state or church granaries. The receipts of deposit were then used as methods of payment in the economies. Thus, banks were invented before coins. Ancient Egypt had a similar system, but instead of receipts they used orders of withdrawal – thus making their system very close to that of modern checks. In fact, during Alexander the Great’s period, the granaries were linked together, making checks in the 3rd century BC more convenient than British checks in the 1980s.
However, money is older than written history. Recent anthropological and linguistic research indicates that not only is money very old, but it’s origin has little to do with trading, thus contradicting another common myth. Rather, money was first used in a social setting. Probably at first as a method of punishment.
Early Stone Age man began the use of precious metals as money. Until the invention of coins, metals were weighed to determine their value. Counting is of course more practical, the first standardized ingots appeared around 2200 BC. Other commonplace objects were subsequently used in the abstract sense, for example miniature axes, nails, swords, etc.
- Предмет:
  Английский язык
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- 6 лет назад
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Darbības vārdu iekavās uzraksti pareizā divdabja formā!
1. Jānis ir (uzticēt) ………… draugs jau kopš mūsu pirmās tikšanās.
2. Neskaties manī tik (pārmest)…………………………….
3. Vai Mārtiņš jau ir (atrast)………………………..palīgus?
4. Manuprāt, esmu ļoti (piemērot)………………….. sekretāres darbam.
5. Natālija bija (apsēsties)……………………….. pie (atvērt)……………… loga un (satraukt)………………… runāja pa telefonu.
6. (Gatavot)…………………mannā putru, mannā jāber (vārīt) …………………………pienā.
7. Šīs ir manas (iziet)…………………………………….. drēbes.
8. Mēģināšu aizmirst šo (nepatikt)…………………………. starpgadījumu pēc iespējas ātrāk.
- Предмет:
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на двух участках общей площадью 100м2 высадили тюльпаны. На каждом квадратном метре одинаковое количество луковиц. На первом участке высадили 960 луковиц,
а на втором 640 луковиц. Чему равна площадь каждого участка?
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- 6 лет назад
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