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Не пользуясь таблицей простых чисел, докажите, что число:
а) 29; б )41; в) 53; г) 59 является простым.-
Предмет:
Математика -
Автор:
abril - 6 лет назад
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Ответы 1
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Потому что все эти числа делятся только на 1 и на самого себя, поэтому они и простые!
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Автор:
hurley - 6 лет назад
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0
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Помогите выбрать правильный ответ!!!!
1. I _________ want it
am not
doesn’t
don’t
2. ______ they feel disappointed?
Do
Does
Is
Are
3. Our neighbours _________ their flat now
are doing up
are saling
getting better
4. Did you buy … carrots?
a) Many
b) A lot of
c) Much
d) A little
5. What will you do if it _______________?
will rain
rain
rains
6. We have _________ our mistake
given
recived
understood
7. There is … water in the cup.
a) A few
b) Few
c) A little
d) Lot of
8. Their economy _______________ stronger day by day
gets
is getting
is being getting
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is working
works
needs work
10. We don’t have … time, please, hurry up!
a) Many
b) A lot of
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d) A few
11. I spent ____ time on the first question than the second.
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12. Who’s that lady who … a red pullover?
Wears
Is wearing
Wore
Has worn
13. Please be free on Friday. We … to a party and we … you to come with us.
Are going, want
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Are going, are waiting
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Had sold
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Предмет:
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Автор:
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Ответов:
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Future forms
Complete the sentences with Future Simple.
I hope he will tell me everything.
1 I’m sure he ……………… (come) at 5 o’clock.
2 I think she ………………(take)part in the competitions.
3 I hope they ……………… (stay)with us.
4 I think she ……………… (invite) us.
5 Probably the Browns ……………… (have) a party next week.
6 I’m sure Mr Jackson ………………(help) us.
7 I think she ………………(get) a good mark.
2 Complete the text with will or won´t and the verb in brackets.
What ................. schools ................/be/ like in the future? Thomas, who is 14 years old and lives in London, thinks they ..................probably.............../be/ very different from schools today. ´Children ........................./go/ to school only one day a week, on Mondays. They ......................../work/ with PCs at school but they ...................../have/ any homework. The teachers ..................../be/ robots. I think the schools ................../be/ better places than now but the food ................../be/ very good. ´
3 Circle the correct answer. Will or to be going to?
1 Look at those black clouds. It ´ll /´s going to rain.
2 The plane´s moving. It ´ll / ´s going to take off very soon.
3 Have you seen Jane? She ´ll / ´s going to have a baby.
4 Do you think we ´ll / ´re going to have a woman president one day?
4. Complete the sentences using to be going to.
1 I ………………… (see) him later today.
2 They …………………( launch) it next month.
3 We…………………( have) lunch first.
4 She…………………( see) what she can do.
5 I…………………( talk) for very long.
6 When I retire I ………………… (go) back to Barbados to live.
7 In ten years, I …………………( be) boss of my own successful company.
8 Look out! That cup …………………(fall off).
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