Cho 2 đa thức : P(x) = -3x^3 + 2x^2 +2x^3 + x -1 và Q(x) = x^3 - 3x^2 -x + 2x^2 -3 a, thu gọn 2 đa thức P(x) và Q(x) b, tìm đa thức M(x) = P(x) +Q(x) , N(x) = P(x)-Q(x) c, tìm nghiệm của đa thức M(x)

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Review 01 (online)- 10 a4 Exercise 1: Put the verbs in the brackets into the correct tenses 1. You (watch) ____________ TV last night? 2. I (do) _____________ my homework at 7 p.m yesterday. 3. Before she (watch)___________ TV, she (wash) _____________ her clothes. 4. Mr Trung normally (work) _____________ on his farm but he (spend) ____________ this month in Tien Giang. He (learn) ____________ how to plant new crops. 5. The light (go) __________ out while we (have) _____________ dinner. 6. My father (not watch) _______________ TV every night. 7. Before Alice (go) ___________ to sleep, She (call) ___________ her family.                                           8. The bell (ring) ____________ while Tom (take) ___________ a bath. 9. What time (the next train / leave) _______________________? 10. It (rain) __________ very much in the summer. It (rain) ___________ now. 11. At the moment the Robins (live) _______ in a small flat near Lan's house. 12.I (know) ____________ her since 1990. 13. While my father (read) _______ a newpaper, I (learn) ______ my lesson and my sister (do) ______ her homework. 14. I (not have) ____________ a holiday for 2 years. * Exercise 2: Complete the sentences so that it has a similar meaning 1. We haven't been to a concert for over a year. The last time ………………………………………………………. 2. When did you last see Tom? How long is it ……………………………………………………….? 3. I had a bath. Then I went to bed. After …………………………………………………………………. 4. We arrived. The party finished. By the time …………………………………………………………. 5. She wrote the letter. Then she went to the post office. Before ………………………………………………………………… 6. The pupils did the experiment. Then they wrote the report on it. When …………………………………………………………………… 7. I met her during my stay in Paris last summer. While ………………………………………………………………………… 8. During lunch, someone rang the bell. While ……………………………………………………………………… 9. He has studied Japanese for 5 years. She began ………………………………………………………………… 60đ+cảm ơn+ctlhn+5 sao

MN ơi giúp mk vs 2 h mk thi rùi lấy vd về quả khô nẻ và quả khô ko nẻ

vẽ anime pùn NL: " bài tập rất nhìu làm sao mà làm cho hết TT.TT Chút nắng vàng sao làm nên mùa hạ Chút tình xa lạ sao giữ được người ta. TT.TT

sử dụng phần mềm logo để viết 1 thủ tục tạo ra hình lục giác

Trong quần xã, các sinh vật cùng loài có quan hệ với nhau theo kiểu?

Giải giúp mik ạ , mik đg cần gấpppp

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Exercise 1: Put the verbs in the brackets into the correct tenses 1. You (watch) ____________ TV last night? 2. I (do) _____________ my homework at 7 p.m yesterday. 3. Before she (watch)___________ TV, she (wash) _____________ her clothes. 4. Mr Trung normally (work) _____________ on his farm but he (spend) ____________ this month in Tien Giang. He (learn) ____________ how to plant new crops. 5. The light (go) __________ out while we (have) _____________ dinner. 6. My father (not watch) _______________ TV every night. 7. Before Alice (go) ___________ to sleep, She (call) ___________ her family.                                           8. The bell (ring) ____________ while Tom (take) ___________ a bath. 9. What time (the next train / leave) _______________________? 10. It (rain) __________ very much in the summer. It (rain) ___________ now. 11. At the moment the Robins (live) _______ in a small flat near Lan's house. 12.I (know) ____________ her since 1990. 13. While my father (read) _______ a newpaper, I (learn) ______ my lesson and my sister (do) ______ her homework. 14. I (not have) ____________ a holiday for 2 years. chỉ cần viết câu trả lời thôi nhé, ngắn ấy mà,hứa vote 5 sao+ cảm ơn+ ctlhn+ 60 điểm giúp nha