Сколько у n-угольной призмы : вершин , ребер и граней? - №18385630

Сколько у n-угольной призмы : вершин , ребер и граней?
- Предмет:
  Математика
- Автор:
  goonieu7mp
- 5 лет назад

Ответы 1

вершин 1, ребер и граней n
- Автор:
  colemano8pm
- 5 лет назад
- 0
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ПОМОГИТЕ ПОЖАЛУЙСТА! !!!!!!
Extra exercises
номер1 : Choose the right tags.
1)Jodi's bought a guitar .............
a)isn't she?
b) didn't she?
c) hasn't she?
2)You're stressed out. .............
a)don't you?
b)aren't you?
c)haven't you?
3)They don't want to come to the party. ................
a)don't they?
b)do they?
c)doesn't it?
4)Tony wasn't angry when you rang. .........
a)wasn't he?
b)was he?
c)is he?
5)We'll be able to have a holiday this year. ..............
a)won't we?
b)can't we?
c)will we?
Номер2:Complete the conversation with the correct form of say or tell
A:So what did you. .......... John when you saw him?
B:I..........him I didn't want to see him again
A:Really! What did he. .........? Was he very upset?
B:He. .......... me he was sorry. He. ............. that it wasn't his fault
A: Oh he always. ........ that! Did you have a big row?
B:No but I won't go out with him again. Don't. .............. anyone at school
A:Ok. I won't. ........ a word
Номер3: Read the text and choose the right word for each space
Simon is one my 1.......... friends. I get on 2......... with him and we 3.........a lot of time together but sometimes he 4........... me especially when he doesn't listen to me. We never 5........... for long - we're soon good friends again. In fact we help 6......... a lot. I hope we'll always be friends.
1 a)nearest b) closest c) worst
2 a)good b) nice c) well
3 a)take b)use c) spend
4 a)annoys b)explains c)admires
5 a)argue b)rebel c)explode
6 a) each time b)each one c) each other
Номер4:Rewrite these sentences. Use tell and reported speech
1)Veronica/Gary:I work as waitress three days a week
2)Mum/my brother and me:You can't watch Tv tonight
3)Charles/his wife: There's nothing to eat in the fridge.
4)Mark/Jane: I'm not playing tennis tonight.
5)They/their teacher: We aren't confident about the exam
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