Заполните пропуски в тексте. Покрытосеменные растения имеют и другое название-________________.Так же,как и голосеменные , они образуют___________, но в отличии от голосеменных растений семена покрытосеменных находятся в ____________,образующихся __________________после цветка ________________ и яйцеклетки.

доказать тождество cos4альфа+1=1/2sin4альфа(ctgальфа-tgальфа)

Предмет:
Алгебра
Автор:
shaylee
6 лет назад
Ответов:

1
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Заполните пропуски. А) Раствор = ……………………….+…………………………………; Б) m(раствора) = m(……………………..) + m(………………………….).

Предмет:
Химия
Автор:
bryant89
6 лет назад
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1
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Ребята,помогите срочно! Известняк массой 10г обработали избытком соляной кислоты. При этом выделился оксид углерода (IV) объемом 2,15л (н.у.). Какова массовая доля карбоната кальция в данном известняке?

Предмет:
Химия
Автор:
kiersten
6 лет назад
Ответов:

1
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Помогите расставить a\an\the\ x - ничего вместо "-" , Заранее спасибо! 1.Here is - magazine you need 2. I can see - pencil on - table 3. Lets go to - cinema 4. where shall we meet Near - school 5. - Petrov is - first pupil in - our class 6. we are in - hurry 7. She is - only child in the family 8. I get up at - 7oclock in - morning 9. Do you like - tea or - coffee 10. In - summer we went to - Crimea 11. Our flat is on - sixth floor 12. In our flat we have - three rooms, - kitchen, - hall , - bathroom 13. it is - two-room flat 14. After - hard-days work i go - home 15. it takes 10 min to get there by - bus 16. - London is - big port 17. ill bring you - newspaper you need 18. i go to - bed at 11 19. he is - engineer, not - scientist 20. we have - break fas usually at 8 in - morning 21.What - beautiful flower 22. She works in - South 23. He has never been to - North 24. - Petrovs spent - their holidays in - France 25. Where is -room six 26.Open you - book on - page 5 27. - Snowdrop is - first spring flower 28. - winter begins on - december 29. What will you have for - dinner 30. O shall have - fish and - orange juice 31.She has lunch - in - morning 32. - Pacific ocean is - biggest ocean 33. She is - English girl 34. We visited - British museum 35. - Pupils!Read - text 12 36. They live in - North 37.She lives in - North 38.We have - supper in - morning 39. - Petrovs live in - Nizhny Novgorod 40. Write - text 12 41. Have you ever been to - London 42. Have you ever been to - Crimea 43. Has your sister ever been - abroad 44. Close - door 45. Make - coffee will you 46.Tell me - truth 47. Give up - smoking 48. Buy - new coat and - nice hat 49. Have you got - family 50. - Our family will have - new flat 51.- England has to import - raw materials - oil - wool - cotton 52. Will you have - cup of -tea 53. This is - black tie and that is - white tie 54. She works in - North 55.- Enisei is - longest river in - Sibirea 56. Last year we went to - South 57. Its - nice picture 58. - Our ecology is bad 59. Open - door 60. Come in - time

Предмет:
Английский язык
Автор:
angeliqueubud
6 лет назад
Ответов:

2
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