Предмет: Математика, автор: qazwsx98

Сумма трех кубов чисел кратна 9. Доказать, что хотя бы одно из этих чисел кратно 3.

Ответы

Автор ответа: Айгерим1111

0

Решение:

Мой ответ 1 в кубе.

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Exercise 6. Present Simple/ Present Continuous

I. Put the verbs in brackets into the "Present Simple" or "Present Continuous".

1. He often………. ………….(go) to the cinema.

2. They …………………………(watch) TV at the moment.

3. John is outside………………………… (wash) the car.

4. Nina usually ………………………… (drive) to work.

5. Father ………………………… (lie) on the sofa now.

6. Claire ………………………… (not/like) pizza.

II. Complete with the present simple or present continuous

1 Peter and Lucy are watching...............TV at the moment, (watch)

2 We..................................to the cinema every week, (not go)

3 The baby..................................right now. (not sleep)

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7 ..................................her room every day? (Emma / tidy)

8 ..................................today? (your father / work)

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Exercise 7. Write the correct form of Present Simple or Present Continuous

1. We (to be) always ready for our lessons.

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3. My granny (not to work).

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6. Tom usually (to get up) at seven o'clock.

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9. Sometimes he (to watch) TV in the evening.

10. You (to understand) your teacher?

Exercise 8. Put the verbs in brackets into Past Simple

Last week we 1) … drove …. (drive) to London. It 2) ................. (be) a sunny day. When we 3) ............ (get) there, we 4)............ (park) the car and 5) ................ (go) to the London Tower. Then we ….. 6) ................. (go) shopping in Oxford Street and 7) .................. (spend) a lot of money in the shops. In the afternoon we 8)....... (see) the Changing of the Guard outside Buckingham Palace. There 9) ........... (be) many people there. Later we 10) ................ (have) a boat trip down the river Thames. We 11) ................ (eat) our dinner on the boat and then we 12)................ (decide) to go home. We 13) ……..(have) a good time that day.

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b) Mike took the bus.............................................................................................

c) Maria and Carlos did the homework................................................................

d) Catherine got a prize.........................................................................................

e) Peter knew the teacher......................................................................................

f) Sam went to university.....................................................................................

g) Paula ate a sandwich.........................................................................................

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