Предмет: Математика, автор: Аноним

1,5(8x-6y)-2,4(5y-3x)
Срочно!!!!​

Ответы

Автор ответа: vernolub
0

Ответ: 19.2x-21y.

Пошаговое объяснение:

1.5(8x-6y)-2.4(5y-3x)\\12x-9y-12y+7.2x\\19.2x-21y

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: Natasha223
II. Заполните пропуски соответствующей формой глагола “to have” в Present, Past или Future Simple.

1. I … a cat and a dog.
2. My father … a hobby – gardening.
3. We … a holiday dinner yesterday.
4. Next week she … several very important exams.
5. They … a good English teacher when they studied at the University.

III. Раскройте скобки и поставьте глагол в соответствующую форму Present Simple. Переведите предложения на русский язык.

1. In Britain the banks usually (to open) at 9.30. in the morning.
2. Water (to boil) at 100 degrees Celsius.
3. Children always (to like) chocolate.
4. Margaret (to speak) four languages.
5. The City Museum (to close) at 5 o’clock in the evening.
6. I (to study) at the University.

IV. Раскройте скобки и поставьте глагол в соответствующую форму Present Continuous. Переведите предложения на русский язык.

1. Please be quiet! I (to work).
2. We (to discuss) very important questions ay the moment.
3. Where is Ann? – She (to have) a shower.
4. Hurry up! Your friends (to wait) for you!
5. What are you doing? I (to cook).

V. Раскройте скобки и поставьте глаголы в Present Simple или Present Continuous.

1. My father (to drink) tea now, but usually he (to drink) coffee in the morning.
2. On Sundays we (to play) tennis, but now we (to play) football.
3. My daughter (to do) her homework at the moment.
4. She always (to do) her homework in the evening.
5. Peter (to speak) over the phone now.
6. Sometimes he (to speak) over the phone more than an hour.

VI. Напишите форму Past Simple для следующих глаголов.

1. to be 5. to ask 9. to smoke
2. to do 6. to answer 10. to come
3. to write 7. to study 11. to watch
4. to make 8. to take 12. to sleep

VII. Подчеркните сказуемое, стоящее в Past Continuous, переведите предложение на русский язык.

1. When I came home, my family was having dinner.
2. Yesterday the whole evening she was preparing for her exams.
3. My best friend phoned me, when I was going to the University.
4. Father was repairing a TV set all day long yesterday.
5. The students were translating the text, when the teacher entered the class.

VIII. Поставьте сказуемое предложений во Future Simple Tense.

1. I (to study) at the University next year.
2. We (to play) hockey in winter.
3. I’m sure they (to wait) for us.
4. Our next lesson (to be) on Tuesday.
5. We hope she (to come) back from the USA soon.
6. She (to call) when she finishes her homework.

IX. Подчеркните сказуемое, стоящее во Future Continuous, переведите предложения на русский язык.

1. My friend and I will be doing shopping all day long tomorrow.
2. I can’t give you my computer. I’ll be using it tomorrow.
3. We’ll be discussing these questions tomorrow morning.
4. When I come home in the evening, my wife will be cooking supper.
5. Don’t come to me on Monday. I’ll be preparing for a job interview.
1 год назад
Предмет: Русский язык, автор: ertisbaevab
У каких из этих слов есть омонимы?
пиджак, радуга, запонка, ветер, рысь
1 год назад
Предмет: Українська мова, автор: mallan
жартівник яке закінчення й основа
1 год назад
Предмет: Информатика, автор: MonsterРФ
Ввести массив из 10 положительных чисел. Программа должна посчитать количество чисел, которые делятся на 2 или на 3.

Написать программу PascalABC.
8 лет назад
Предмет: Русский язык, автор: ИНЖЕНЕР2003
какое слово находиться на фото
8 лет назад