Предмет: Алгебра, автор: esengulovamigelina

Раскройте скобки: 1) х+(-(-y)) 2) -(-х)-(-y)

Ответы

Автор ответа: NICKOHMAT
0
x+-y умножить на -y умножить на x и умножить на у.
Вроде так
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: tarasovamir
Отметь слова, в которых все согласные - звонкие:
а ) говорил, поил, мешал; б ) теснота, говор, повар.
6 лет назад
Предмет: Биология, автор: ignatenkoalina08
помогите прошу срочно!
6 лет назад
Предмет: Английский язык, автор: ddimateplov
Past Simple
1. Поставьте глаголы в скобках в Past Simple.
One day the children (be) on the ship. The sea (be) quiet. Suddenly they (see) the pirates' ship. The pirates (catch) the children and (put) them in a dark room, but Kevin (help) Steve and Maggie. In the room the children (find) the eight magic pearls. Kevin ( put ) the eight pearls together and (save) the Shell Kingdom. Kevin's parents (be) very happy.
2. Вставьте was, were, did.
1. When________ Mother's Day last year?
2. What ____ you do two hours ago?
3. Who _______ you invite?
4. What _______ you give to your granny?
5. ________ you tired? — No, we weren't.
3.Представьте себе, что в прошлое воскресенье вы ходили в гости к другу. Что вы там делали? Дайте краткие ответы.
1. Did you stay in the house?
2. Did you talk about your holiday?
3. Did you your friend have dinner with you?
4. Was your friend glad to see you?
5. Were his parents at home?
4. Закончите предложения глаголами в скобках в форме Past Simple.
1. Last night I (listen to) music.
2. The car (not stop) near the house.
3. He (watch) TV last night.
4. James (study) English before his exam.
5. Peter and Ann (be) in Turkey last summer.
5. Read the text and do the tasks.
I’ve got many friends and William is the best. He is a very busy boy. Last Monday he visited his grandma. Then on Tuesday he visited the zoo with his class. It was very interesting for him. He played football with his team on Wednesday. On Friday he helped his dad. They planted some flowers in their garden. At weekends he played with his friends in the countryside. On Saturday William biked all day long. He always bikes on Saturdays. On Sunday he played some computer games with me. He is a good computer player. William’s week was hard and interesting.
True (T), False (F), Not Stated (NS):
This text is about William’s last week.
He isn’t a very busy boy.
He was at his grandma’s on Monday.
William liked visiting the zoo with his class.
He played football on Thursday.
He is a good hockey player.
On Friday he worked in the garden with his mum.
On Saturday William biked from morning till night.
William is bad at computer games.
At weekends William played computer games all day long.
6 лет назад
Предмет: Математика, автор: Катя6531
В двух вагонах 117 тонн зерна второй вагон составляет 67 первого.Сколько тонн зерна погрузили в каждый из вагонов
10 лет назад
Предмет: Информатика, автор: Hugh666
Помогите пожалуйста срочно())
Задача 2. Задайте массив из 10 элементов с помощью датчика случайных чисел. Поменяйте местами наибольший положительный элемент с наибольшим отрицательным. Выведите на экран исходный и полученный массивы.



Задача 3. Задайте массив из 10 элементов с помощью датчика случайных чисел. Удалите из массива все элементы, равные минимальному. Выведите на экран исходный и полученный массивы.
10 лет назад