Предмет: Математика, автор: Аноним

Задача 123+890-890+456-456*4+90-1=
Пж как можно быстрее


Big0Pampers: ну, если тебе об этом не рассказали, можно в интернете посмотреть
Big0Pampers: прости, я параллельно с этим свою дз делаю))
Max3338: Но я не знал...

Ответы

Автор ответа: inushka
1

Ответ:

123+890-890+456-456*4+90-1=−1156

Пошаговое объяснение:

1)Убираем 890-890 (т.к. это будет 0)

2)Умножаем -456 на 4 получаем -1824

3) Делаем остальное: 579-1824+89=-1156


inushka: Рациональный способ решения примеров/задач..
inushka: Посмотри в интернете,это способ,при котором ты решаешь без усложнений,сокращая количество действий
inushka: Его проходят в 4-5 классе
Автор ответа: ymaftuna2009
0

Ответ:

123+890-890+456-456*4+90-1=−1 156

Похожие вопросы
Предмет: Английский язык, автор: ИгРоМаН987
Let's help Alice

A girl: Mark! John! Rosy! Where are you?
Robin: Who are you? What can we do for you?
The girl: My name is Alice. I'm here with my friends, but I can't find them.
Misha: Let's try and find them together.
Robin: It's eleven o'clock. All the people have gone home (все ушли).
Alice: I am lost! Who will help me?
Misha: Phone your friends.
Alice: I can't phone them. They are not at home at the moment. They are in London on an excursion.
Misha: You have your friends' address, don't you?
Alice: Yes, I do, but I can't go there alone.
I'm a tourist from France. It's my second day in England.
I don't know London.
Misha: Don't cry, Alice! We are with you.
Alice: Will you help me, boys?
(текст)
1. Alice can't find her friends at the museum because

a) they have gone.
b) they are playing outside.
c) they are in France.

2. Alice's friends have gone, because

a) they don't like Alice.
b) it's eleven o'clock.
c) they are very busy.

3. Alice is lost, because

a) she is from France.
b) her friends have gone.
c) she doesn't speak English.

4. Alice can't phone her friends, because

a) she doesn't speak English.
b) she doesn't know their phone number.
c) her friends are not at home at the moment.

5. Aliсе сan,t find hеr friends, housе, bесausе

a) she doesn't know Lоndon.
b) shе doеsn't likе London.
с) shе doеsn't know thеir addrеss.

6. Aliсe is сrying, bесause

a) shе wants to go homе to Franсе.
b) she doеsn't like Мisha and Robin.
с) shе gеts lost.

7. Robin says, "That's a surprise!"
about thе address, bесausе

a) it is his address.
b) Aliсe's friends dоn,t live in London.
с) he сan,t rеad it.
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