Предмет: Математика, автор: en310200

Вычисли удобным способом 23•15+27•15=

Ответы

Автор ответа: nikolaygr

Відповідь:

23•15+27•15=15*(23+27)=750

Покрокове пояснення:

Автор ответа: senkivvovik

Відповідь 345+ 405дорівнює750

Покрокове пояснення:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: nadezdatarasenko2008

3.189. Малярная бригада планировала завершить работу за 6 дней. Поскольку кажокрашивала площадь на 16 м² больше запланированной, работа была выполнена за 4 дня. Сколько квадратных метровый день бригада покрасила команда?

помогите пожалуйста

1 год назад

Предмет: Английский язык, автор: nisemen

Please help me Please

1. Sam didn't call me last night and didn't tell me about the event.
I wish ...
2. I'm really lazy even though I have plenty of time for my hobbies.
I wish ...
3. called last night and told me. He starts doing something noisy in his flat every day from 5 p.m.
I wish ...
4. My brother always tries to make me wash the dishes.
I wish ...
5. My daughter is studying abroad. She is coming home next year only.
da year only.
I wish ...
6. Mathew didn't stop his mother from buying that useless device. It was a waste of money.
I wish ...
7. It's beautiful here. It's a ply hayou can't see this beauty together with me.
I wish ...
8. Silvia didn't see our concert last week. She regrets about it.
Silvia wishes ...
9. Raymond is always late for all our business meetings. He is so irresponsible.
I wish ...
10. Our guests didn't see our message about the time change of our meeting.
Our guests wish ...
11. Stephen is too hardworking. He never has time for his friends.
Stephen wishes ...
12. You enjoy breaking all our local rules. It's offensive.
I wish ...
13. My friend Gregory is a lawyer. He could help me with that problem.
I wish ...
14. All the passengers want to get home faster. Everyone wants to return to their familics.
All the passengers wish ...
15. The law forbids us to stay in this country any longer.
We wish ...
16. Lola forgot to water the plants and they died.
Lola wishes ...
17. Their dog is barking all day long. It's driving all of us crazy.
We all wish ...
18. I need this guitar to play music of a higher quality.
I wish ...
19. Our balcony needs repairing, but we don't have money to do it.
We wish ...
20. The mass media doesn't give any proven information.
Everybody wishes ...

1 год назад

Предмет: География, автор: kurilshurkin

Історичний процес підвищення ролі міст у житті суспільства і поширення міського способу життя отримав назву -

1 год назад

Предмет: Математика, автор: kucerukdenis85

У фінал вийшло 12 конкурсантів, що становить 24% усіх учасників конкурсу. Скільки осіб брали участь у конкурсі?

6 лет назад

Предмет: Английский язык, автор: mshfdrk1616

составьте историю используя нужные ключевые слова:
Lomonosov Moscow state University
1.One of the oldest classical Universities of Russia
2. 1755
3. 15 Scientific research institutes and 43 faculties
4 Academic chairs
5. One of the national scientific
and cultural centres
6 it is one of the best Universities

.....is recognized
..... has been around since
......includes
....... pucked with
........ represents.... as
Составляется вроде в Пассивном залоге. я вас прошу пожалуйста, очень надо!!!!

6 лет назад