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Точка А расположено на прямой между точками В и С. Длинна отрезка СВ на 3 см больше длины отрезка АС. Найди длинну отрезка АВ
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Предмет:
Математика -
Автор:
havenooiw - 5 лет назад
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Ответы 1
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Пусть АС=хТогда СВ=3+хАВ=СВ-АС=3+х-х=3см
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Автор:
virgilio - 5 лет назад
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0
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3. Complete the sentences with do, does or did.
1. ... you go to the theatre yesterday?
2. Do you always have dinner at 2 a.m.? — No, I... not.
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4. ... children swim every summer? — No, they ....
5. ... she have a good time last Sunday? — Yes, she ....
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7. When ... the pupils have their summer holidays?
8. What... you do during your summer holidays?
9. ... he like to play basketball? — No, he ... not.
10. I ... not go to the seaside every summer.
4. a) Ask your teacher:
1. if she/he got up at 8 a m. last Sunday; 2. if she/he worked five years ago; 3. what she/he did yesterday; 4. where she/he spent last summer; 5. which of her/ his friends watched TV last week; 6. who studied English in her/his family; 7. how many lessons she/he had yesterday; 8. what she/he did on Christmas; 9. at what age she/he began to study English; 10. if she/he liked English at school
b) Report about your teacher.-
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Английский язык -
Автор:
abby72 - 5 лет назад
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Ответов:
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