Ta lm con chim hót Ta làm một cành hoa Ta ta vào hoà ca Một nốt trầm xao xuyến Một mùa xuân nho nhỏ Lặng lẽ dâng cho đời Dù là tuổi hai mươi Dù là khi tóc bạc Trg đoạn trích trên có từ bị chép sai.E hãy chỉ ra và sửa lại.Vuệc chép dai này có ảnh hưởng ntn đến ta nghĩa câu thơ?

Cho tam giác ABC cân tại A , A <90 độ . Kẻ BD vuông góc AC . Kẻ CE vuông góc AB . Gọi K là giao điểm của BD và CE . CMR : AK là phân giác góc A

viết câu gián tiếp 11. “All right. We will postpone the meeting unti 11th July,” the committee said. (agree) 12. “Do you want me to type this document for you?” James said to her. (offer) 13. “Remember to switch the computer off when you’ve finished,” he told me. (remind) 14. “How difficult the final test is!” the students said. (exclaim) 15. “I’ll look after your children while you are away on a business trip,” my mother said to me. (promise) 16. “Be careful; the steps are very slippery,” I said to him. (warn) 17. “Don’t leave these books on the table, put them back on the shelf,” the librarian said to the students. (tell) 18. “All right. It’s true. It was me who scratched the car,” she said. (admit) 19. “I won’t give you any more pocket money if you keep behaving like that”, my dad told me. (threaten) 20. “It is really excited that I will see you again tomorrow,” she said to her friend on the phone. (look forward) mong mọi người giúp em ạ!! cảm ơn nhìuuu

viết câu gián tiếp 1. “I should say nothing about it if I were you,” my brother said to me. (advise) 2. “Would you like to have lunch with me on Saturday, Sarah?”, John said. (invite) 3. “No, I certainly didn’t use your cassette player!” Alfred said. (deny) 4. “Show me your driver’s licence, will you?” the policeman said to him. (order) 5. “Social services should have taken more action to protect children at risk,” they said. (criticize) 6. “Don’t go too near the edge of the cliff, boys,” he said. (warn) 7. “Let’s stay here till the storm have passed,” Laura said. (suggest) 8. “I really must speak to the headmaster personally,” he said. (insist) 9. “I’m not going to the student party,” Nora said. (refuse) 10. “I’m really sorry I got the message wrong,” she told me. (apologize)

aaBbCCDd x AAbbCcDD - số loại kiểu gen - số loại kiểu hình - tỉ lệ kiểu hình giống mẹ - tỉ lệ kiểu hình giống bố - tỉ lệ kiểu hình khác bố mẹ - tính tỉ lệ kiểu gen có 1 gen trội - tính tỉ lệ kiểu gen có 2 gen trội - tính tỉ lệ kiểu gen có nhiều nhất 2 gen trội - tính tỉ lệ kiểu gen có nhiều nhất 3 gen trội - tính tỉ lệ kiểu gen có nhiều nhất 1 gen trội - tính tỉ lệ kiểu gen đồng hợp

viết lại câu 1. Sarah said, “I’ll pay for the meal! Put your money back in your wallets.” (insist) 2. “Perhaps we can go to Paris for the weekend.” Kathy said. (suggest) 3. “I always want to run my own business” she said to me. (dream) 4. “You should have finished the report by now,” the boss said to his secretary. (scold) 5. “That’s a lovely new dress, Lan” said her mother. (compliment) 6. “You shouldn’t have told the truth, David!” said Anne. (criticize) mong mọi người giúp đỡ ạ!!

Biến đổi tổng thành tích: A = sin x + cos x + 1 Mong được giúp đỡ ạ, sẽ cảm ơn và vote 5 sao cho những ai làm đúng.

viết lại câu với từ trong ngoặc 1. “Can you lend me ten pounds?” he told me. (ask) 2. Peter said, “The government should do more to help the homeless.” (call on) 3. “I’ll take the children into town,” he said. (offer) 4. “I can get you there in good time,” Jim said to us. (guarantee) 5. She said to me, “Don’t forget to go to the supermarket after work.” (remind) 6. He asked me, “Would you like to come on a picnic with us, Jane?” (invite) 7. “If you can’t find anyone else, I’ll drive you to the airport,” he said to me. (volunteer) 8. “I won’t give you the money back if you keep on at me,” Anne said to me. (threaten) 9. “You can stay with me if there’s no train home so late in the morning,” my friend said. (offer) 10. “No, I won’t talk to the lawyer,” Tom said. (refuse)

mọi người giúp em với ạ em cảm ơn

P= (√x/ √x-2 - 4/x-2 √x).(1/ √x+2 + 4/x-4) a, tìm đkxđ và rút gọn b, tính P khi x=4+2 √3 c, tìm x để P >0