Ответы 1
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a^2-8a+16>a^2-8a. a^2-8a+16-a^2+8a>0. 16>0
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Автор:
delilah43 - 6 лет назад
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Если растягивать пружину силой 10Н , то ее длина равна 16 см , если растягивать ее силой 30 Н , то ее длина 20 см . Какова длина недеформированной пружины ?
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Упр. 211. Раскройте скобки, употребляя глаголы в Present Perfect, Present Simple, Present Continuous, Past Simple или Past Continuous.
1. They (to go) to the Hermitage last week. 2. They (to be) to the Hermitage twice this week. 3. After school yesterday he (to come) home, (to have) dinner, (to read) an article from the latest magazine and (to begin) doing his homework. 4. When your friend (to return) from the south? - She (to return) yesterday. – You (to go) to the station to meet her? – No, I.... I (to be) too busy. 5. With whom you (to discuss) this question yesterday? 6. I (to see) this film this week. I like it very much. 7. When I (to enter) the kitchen, I (to see) that my mother (to stand) at the table and (to cut) some cabbage. She (to cook) dinner. 8. As soon as I (to hear) a cry, I (to run) out of the room and (to see) that a child (to lie) on the ground and (to cry). “What (to happen)? Why you (to cry)? You (to hurt) yourself?” I asked. 9. As soon as I (to see) him, I (to understand) that he (to work) hard. He (to write) something and (not to notice) anything. 10. When I (to come) home yesterday, the children (to run) and (to sing) merrily. “We (to learn) a new song!” they cried. 11. When the young man (to enter) the room, she (to look) at him in surprise. “What you (to want) to tell me?” she (to say). “Why you (to come)?” 12. It (to rain) hard when I (to leave) home yesterday, so I (to return), (to put) on my raincoat and (to start) again. 13. Your brother (to return) from the north? – Yes, he (to come) a few days ago. 14. You (to be) to the Crimea? When you (to be) there? – I (to be) there in 1993. 15. Where (to be) your brother? – He just (to come) home. He (to take) a shower in the bathroom now.
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Предмет:
Английский язык -
Автор:
aleah - 6 лет назад
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Ответов:
1 -
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запитання до міфу ра та апоп
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