Предмет: Математика, автор: almanugmanova

253 номер.Прошу,4 раз спрашиваю.Помогите,добрые люди!

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Ответы

Автор ответа: ElenaChe

Е = а+0,35
М = а+0,35-0,85 = а-0,5

Автор ответа: Крепок

Если D равен икс значит если E правее x+0,35 координаты точки Е
А если координаты М левее чем Е значит х+0,35-0,85 .Вот и всё

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TEST

Past Simple, Present Perfect

Choose the correct answer. There is more than one answer in questions 1-4.

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a. The verb be (was/ were)

b. had + past participle (3rd form)

c. irregular verbs (2nd column of the table)

d. have/has + past participle (3rd form)

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a. irregular verbs (2nd column of the table)

b. have/has + past participle (3rd form)

c. had + past participle

d. have/has + infinitive + -ed

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3. Which are typical signal words for the Past Simple?

a. before

b. last week/month/year

c. often

d. yesterday

e. ago

f. yet

4. Which are typical signal words for the Present Perfect?

a. already

b. in 2009

c. ever

d. just

e. tomorrow

f. yesterday

5. Which tense do we use when we talk about experiences or things that happened before now but the result of an action is important in the present?

a. Past Simple

b. Present Perfect

6. Which tense do we use when we talk about actions finished in the past?

a. Past Simple

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7. Which tense do we use when we talk about an action began in the past and is still continuing?

a. Past Simple

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8. Which tense do we use when we talk about a specific event in the past (we know when the event happened)?

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a. is

b. was

c. has

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a. have finished

b. was finished

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a. has become

b. became

c. did became

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a. used

b. has used

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a. have finished

b. finished

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a. yesterday

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c. Did you went

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a. have been

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a. have lost

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