Предмет: Математика, автор: abzhanovramzik

Из коробки стали пропадать конфеты. Сначала пропали 3 конфеты,
затем третья часть остатка и еще 3 конфеты. В результате осталась половина всех конфет, которые там были первоначально. Сколько конфет было в коробке вначале?
1) 15
2) 25
3) 30
4) 40

Ответы

Автор ответа: smorodinkalolp0t266

Ответ:

30 конфет

Пошаговое объяснение:

Решение на фото

Приложения:

abzhanovramzik: https://znanija.com/task/40403142

abzhanovramzik: сможешь решить

smorodinkalolp0t266: Оно у тебя в профиле есть? Я по ссылке перейти не могу

smorodinkalolp0t266: как начинается

abzhanovramzik: У Кати и Светы было много воздушных шариков.

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I like to spend my free time in different ways. I am fond of visiting interesting places, cinemas and reading books. Of course, I have a hobby.
Do you know what a hobby is? Where does the word come from? Many of us have pets - dogs and cats. They are like members of our family. In England many years ago farmers displayed the same love for horses. Robbin, Dobbin and Hobbin were the names which farmers gave to their horses most often. The name Hobbin was changed into Hobby and became the word used for toy horses. And only many years later the word "hobby" began to be used in its modern meaning - "something", what you do in your spare time Hobbies differ like tastes. Hobbies are divided into four large classes. They are doing things, making things, collecting things and learning things.
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Gardening is one of the oldest of man's hobbies. It is a well-known fact that the English are very popular of gardening and growing flowers, especially roses.
Both grown-ups and children are fond of playing computer games. It's new, but a popular hobby. Making things includes drawing, painting, making sculpture and designing costumes. Some are interested in music. They collect records and tape recordings, others write music or play musical instruments.
Almost everyone collects something at some period of his life: stamps, coins, match-boxes, books, records, postcards, toys and watches. And very often some collections are housed in museums and galleries. I realize that collecting things as a hobby depends on one's age and income.
There are different clubs of collectors, where people can show us their col-lection and tell us why it is special. At other times they have a swap-shop, and people exchange duplicates, or swap something they don't want for some¬thing new. That can be fun because most people like bargaining. Some of our keenest collectors are going to tell you about their hobbies.
No matter what kind of hobby a person has, he always has an opportunity of learning from it and that becomes the most exciting aspect of a hobby. Hob¬bies help you to choose your future profession very often. If you've chosen a hobby according to your character and taste you are lucky because your life becomes more interesting.
Now a few words about my hobbies, I think I belong to that group of peo-ple who like doing things. As a typical teenager, I spend hours exploring the Internet and play computer games.
My hobby is also collecting stamps and coins. Collecting stamps is great. I think they're the best things to collect. There are so many different ones from every country. Collectors usually have a theme: stamps from one country, stamps about space, animals, famous people, etc. You could think of lots more. My theme is flowers. I found out about rare plants, flowers of different places in the world from my collection.
Collecting could cost you a lot of money, if you bought very old stamps. However, collecting modern stamps isn't too expensive. Anyway, the club helps. I don't buy many stamps. I get mine by swapping with friends. It's good fun. My stamps look nice and a good album is beautiful.
I have got a lot of coins. One of them is rare, and worth a lot of money. I found my rarest coin, a 1932 Florrin, in some change. It's not the oldest one I have, that's a penny from 1797.1 collect coins because I like the history they record. It's exciting to think how old they are. I am starting to collect coins from different countries. I swap with my friends, sell some and buy some. I like learning about them in my catalogue. It's a very interesting hobby.
There are all sorts of things that you can collect. You must be interested in one of them.
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