помогите решить пример и уравнение. пример (-3,9-2,8+26,6):(-3,2)-2,1 уравнение - №29136702

помогите решить пример и уравнение. пример (-3,9-2,8+26,6):(-3,2)-2,1 уравнение -7(2x+4)=3(4x-5) пример и уравнение с решением
- Предмет:
  Математика
- Автор:
  mccarthy
- 6 лет назад

Ответы 1

-14х-28=12х-15-28+15=12х+14х-13=26х26х=-13х=0.5 или 1)2) дробь
- Автор:
  pigletmayer
- 6 лет назад
- 0
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1.Выбери нужное слово и заполни пропуски: drink, play, count, write, do, have, answer, learn.

1) We must ________ our homework every day.
2) Children ________ a good time at school.
They __________ new words in the English lesson.
3) I __________ teacher’s questions every day.
4) We________ many poems by heart.
5) My little sister can _________ from 1 to20.
6) During the break we ________ orange juice.
7) Mary and Ben don’t ________ computer games at school.

2. Какое слово лишнее?

dress, sweater, boots, shirt.
board, desk, boy, bookshelf
Maths, PE, daughter, Reading, Russian.
ruler, dictionary, horse, pencil
white, yellow, long, red, black

3. Раскрой скобки, употребив прилагательное в правильной форме.

1) My sister is the ( good) pupil in her class.
2) It is a very ( funny) English book.
3) In the city rivers are ( dirty) than in the country.
4) Tigers are ( big ) than dogs.
5) Nick is the ( bad) pupil in our class.
6) I think dolphins are the (beautiful) animals.
7) Winter is a ( cold ) season. I like it.

4. Выбери нужный вспомогательный глагол do, does.

1) ________Ann play volleyball at school?
2) When _____you usually write letters?
3) _____ they usually go to the park on Sundays?
4) _______ his sister speak English?
5) What ______ you usually do in the evening?

5. Раскрой скобки, поставив глаголы в Past Simple.

1) Kate ( get ) up at 6 o’ clock.
2) She ( wash ) her face and hands.
3) Then she ( have ) breakfast with her mum, dad and sister Ann.
4) After breakfast she ( go) to school.
5) After school Kate ( do ) her homework and ( walk) with her friends in the street.
6) In the evening she ( take) her pet for a walk and ( watch ) TV.
7) I ( make ) a cake with my mum yesterday.
8) She ( play) and ( swim) in the river last summer.

6) Вставь there is или there are.

1) ________books on my shelf.
2) _______ a large window in his room.
3) ______two computers on the table.
4) ________ many posters and pictures on the wall.
5) ________ a desk in my bedroom.

7. Выбери верный вспомогательный глагол

1) ( do, did, does) your mum help you to do your homework yesterday?
2) Where ( will, did, do) he go next year?
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5) We played and swam in the river last summer.

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