Предмет: Алгебра, автор: Regeeye

Сделать два задания по алгебре

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Автор ответа: jdghkjghhg

Ответы на фотке...В 4-ом надо просто 2 умножить на одну третью, а в пятом 105 в нулевом степени получается 0

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Раскройте скобки употребляя глаголы в 1 следующих вpемен: Pr.Simple, Pr.Continuous, Pr.Perfect, Pr.Perfect Continuous.

15. What you (to do)? - - I (to read). I (to read) for two hours already. I already (to read) sixty pages.
16. It is difficult for me to speak about this opera as I (not to hear) it.
17. I just (to receive) a letter from my granny, but I (not yet to receive) any letters from my parents.
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Exercise 1. Complete the sentences using the following verbs:
resemble, take, open, eat, measure, cost, weigh, walk, read, switch off, live
1. How much does this book …?
2. Steve … his brother in the way he … .
3. His parents … in a large apartment.
4. The bookstore … at 10.30 every morning.
5. She always … all the lights before walking out.
6. It … me half an hour to get to the university.
7. Peter … a newspaper every day.
8. This flat … ten metres by five.
9. How much does this parcel … ?
10. He rarely … meat.

Exercise 3. Use the present continuous or present indefinite
1. When the water particle (to expose) to cold air, they (to crystallize) into snow.
2. I (to write) in response to your request for advice or choosing a career.
3. I (to enclose) my curriculum vitae together with three references. Do not hesitate to contact
me if you (to require) any further information.
333
4. Russia (to enjoy) a tourist boom that has become increasingly important to the country’s
economy.
5. Now my parents (to consider) leaving the city where they (to live) and moving to the
countryside.
6. He only just (to recover) from the operation. He (to spend) most of his time in the garden.
7. How you (to get on) with your dissertation? – At the moment I (to write) the first chapter.
8. Frank is an excellent student. He (to speak) three foreign languages fluently.
9. Unfortunately my sisters (not to get on) well. They always (to argue).
10. We must go now. It (to get) late.
11. The little girl has just fallen down and cut her elbow. It still (to bleed).
12. Steve (to do) his homework before supper. Has he finished his homework? – No, he still (to
do) it.
13. She wants to but a BMW, but first she must learn how to drive, so she (to take) driving
lessons.
14. You can borrow my computer. I (to use) it a great deal, but I (not to use) it at this moment.
15. My father is a very hard worker. He often (to work) until midnight. It’s 11.30 p.m. now and
he still (to work).

Exercise 7. Complete these sentences using the verbs in brackets.
335
1. He (to go) to work on foot that evening. As usual he (to go up) to the second floor to get the
cleaning stuff out of the cupboard.
2. A fire (to break out) on the express train from Moscow to Kaluga at 11 pm last night.
3. We (to meet) with Steve and Mary two days ago.
4. Throughout the autumn of 2016 Caroline (to continue) to divide her time between London and
the Hague.
5. How did you learn to play the piano? – My mother (to teach) me.
6. She (to arrive) at the airport at 10 o’clock this morning.
7. They (to fall) in love the moment they (to see) each other.
8. John (to spend) a lot of money yesterday. He (to buy) a computer which (to cost) $700.
9. When he (to be) younger he (to play) hockey for the local team.
10. That day she (to have) a date with a young man who (to sell) cars.

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