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haidang1549
2 năm trước
Tìm a,b để F(x) = x^2021 + x^7 + ax^2 + x +b chia hết cho đa thức A(x) = x^2 +x +1
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Ex 6: Give the correct form of the verbs . 1.The sun always (rise)_____ in the east. Look, it (rise)________! 2. I don’t think I (go) ________ out tonight. I’m too tired. 3. Where you (spend) ________your summer holiday last year, Tam? 4. In my country, it (not rain) ________ much in winter. 5. Let’s wait for Lien (arrive) ________ and we (have) dinner. 6. The moon (move) ________ around the earth. 7. Mai (be) ________ very happy when she (receive) ________ a letter from her sister this morning. 8. Would you like (join) ________my class next Sunday? We (visit) the local museum. 9. My father (read) ________ now. He always (read) ________a book after dinner. 10. A friend of my brother’s (call) ________ him last night, but he (not be) ________at home. So I (take) ________ a message for him. 11. - Are you busy this evening?Yes, I (meet) ________Tuan at the library at seven. We (study) ________together. 12. Mai (telephone) ________ you when she comes back. 13. When we (be) ________small, our family (live) ________ in the countryside. 14. Miss Trang is in hospital.- - Yes, I know. I (visit) ________ her tomorrow. 15. I (read) _______ an interesting book at the moment. I (lend) _______it to you when I finish it.

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