Ответ по предмету Алгебра: Решите уравнение: 1) x/x-2 - 7/x+2 = 8/x^2-4. Помогите пожалуйста

Предмет: Русский язык, автор: лера1577

Закончи загадки и Отгадай. Первую запиши полностью, а из второй выпиши основу предложения и все словосочетания. Пиши смысловые и падежные вопросы, указывай падеж и отмечай орфограммы.

Сидит на ложке свесив...

В огороде у ... растёт солнышко на...

1 год назад

Предмет: Русский язык, автор: лод18

словосочетание со словом опасность

1 год назад

Предмет: Русский язык, автор: Моля0396

что такое членимые предложении?

1 год назад

Предмет: Физика, автор: 77milanka777

С какой высоты падала сосулька,если расстояние до Земли она пролетела за 4 секунды

7 лет назад

Предмет: Английский язык, автор: dmitrievagu97

Помогите пожалуйста для зачета контрольную сделать, по английскому
I. Choose the correct tense form in sentences 1-6.
1. They................ the bridge at last.
a) have built; b) had built
2. We................. for you since three o'clock.
a) had been waiting; b) have been waiting
3. He................. his exams by next June.
a) will have passed; b) will have been passing
4. Mr Jones, who............ for some time, frowned.
a) had written; b) had been writing
5. By that time I............. all my letters.
a) have written; b) had written
6. Next month he............ with us for ten years.
a) will have worked; b) will have been working

II. Complete the verb form.
1. The sun...... set by the time we reach home.
a) had b) will have; c) has
2. I......... trying to solve this problem for an hour.
a) had been b) will have been c) have been
3. During the last twenty years science……… made tremendous advances.
a) has b) had c) will have
4. When I returned home, I noticed that all my plants …….died.
a) have been ; b) have c) had
5. We....... been smoking for some time in silence, when he spoke.
a) had b) have c) will have
6. How long..... we have been working together next spring?
a) would b) will c) should

III. Select the right verb form from the a, b, c, d variants.
1. Our school ........... every team it has played so far this season.
a) had beaten; b) has been beating; c) has beaten; d) had been beating
2. When I called at his house, they told me he......... an hour before.
a) had been leaving; b) had left; c) has been leaving; d) has left
3. We were thirsty because we.............. in the sun.
a) have walked; b) have been walking; c) had walked; d) had been walking
4. We ........... this book for three months next week.
a) have been translating; b) have translated; c) will have translated; d) will have been translating
5. They ........... their minds by the election time next April.
a) have made up; b) had made up; c) will have made up; d) will have been making up
6. You look so pleased. You............... again.
a) had shopped; b) have shopped; c) had been shopping; d) have been shopping

IV. Fill in the spaces with the correct time " word/words.
1. They have............ dispatched the post.
a) soon; b) lately; c) already
2. We will have spent all the money.......
a) soon; b) in a month; c) by then
3. 1 knew the man. I had met him.......
a) before; b) since the war; c) for an hour
4. It has been raining..........
a) often; b) always; c) since 5 o'clock
5 ……....had she been talking when I came in?
a) how often; b) how long; c) how soon
6. In May I will have been using this computer.........
a) very often; b) for three months; c) for long

V. Translate the underlined words
1.Когда мы вернемся, он уже уедет (go away).
2.Он разыскивал тебя (look for) по всему дому с утра, когда ты позвонил.
3.С тех пор она больше не приезжала.
4.До приезда в наш город они жили в деревне.
5.Ты слышишь меня? Я говорю с тобой уже целых пять минут.
6.Завтра будет пять лет, как я путешествую по этой стране.

.VI. Read the passage below and write the appropriate form of each verb in brackets.
Dear Luke,
I (1. write) …….. letters to you all over the world these last three years. We (2. spend) …….. together about five years all in all since our wedding. Before you started this last project of yours, the children and I (3. travel) …….. along with you for some time. But now the children (4. grow up) ……… and (5. go) …….. to school and University, and I (6. start) ……. work on my own career of a painter. I want to have a permanent home. I (7. look for) ……… a suitable plot of land to build a house and at last I (8. find) …… a beautiful place. The construction already (9.begin) …….. By the way, I was able to buy some land when 1(10. sell) ……. three of my pictures. So, when you return, the builders (11. finish) the first floor, and I (12. live) ……… there for at least three months already.

VII. Write the correct "tag" to complete the question.
1. They haven't started the tests yet,................... ?
2. They will have already left by that time,................. ?
3. He has had the same car for ten years,.................. ?
4. They didn't drop everything when they had been making such good progress,... ?
5. You have never thought about it,................... ?
6. They have been coming and going all these years,.............. ?

7 лет назад

Решите уравнение: 1) x/x-2 - 7/x+2 = 8/x^2-4. Помогите пожалуйста

Ответы