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основание BC и AD трапеции ABCD равны соответственно 1 и 9. отрезок MN делит эту трапецию на две трапеции MBCN и AMND. найдите длину отрезка MN, если трапеции MBCN и AMND подобны
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Предмет:
Геометрия -
Автор:
kashpennington - 6 лет назад
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Ответы 1
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ХзХзхзхзхзхзхзхзхзхз
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Автор:
christinaeado - 6 лет назад
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Помогите, пожалуйста, выбрать правильный вариант. Заранее благодарю.
1. The moon (is to go / is going / goes ) around the Earth.
2. In Africa ( there is / is / it is ) very hot.
3. Teenagers like to talk about ( the love / a love / love ).
4. In Canada people wear thick clothes in winter ( for keep / to keep / for to keep ) themselves warm.
5. In my fridge there isn’t ( some / the / any ) food.
6. Last summer ( it rained / there rained / it was raining ) every day.
7. My friend gave me ( a good / good / the ) advice.
8. This year ( best / the best / better ) student in our class is going to England.
9. In our town very ( little / few / less ) people have cars.
10. There is ( little / few / many ) hope for homeless people in most countries.
11 Mathematics ( is / are ) one of my favourite subjects .
12. We think that students ( who / which / what ) miss school are foolish.
13. We all depend ( on / of / with ) each other.
14. There aren’t ( no / any / some ) members of parliament who didn’t ( take part / joined / arrive) in that charity event.
15. Sandra insisted (on / in ) applying to Oxford.
16. What could prevent him (of / from) calling us?
17. My friend is very fond (of / on) reading.
18. Jane is proud (of / at) getting a place at Edinburgh University.
19. Grandmothers always look forward (for / to) hearing from their grandchildren.
20. I am glad you succeeded (in / on) solving this problem.
21. Teachers are responsible (at / for) making us work harder.
22. All the students in my class are interested (for / in) getting a higher education.
23. I know Jack, he will object ( to / for) studying on Sunday.
24. She thanked him (for / to) coming.
25. What is the weather ( cloudy / like / good) today?-
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