Giải thích các bước giải:
$a,$ Mệnh đề đúng. Mệnh đề phủ định: ''Hình thoi không có hai đường chéo vuông góc''
$b,$ Mệnh đề đúng. Mệnh đề phủ định: $\forall x \in N: x \le 2$
$c,$ Mệnh đề đúng. Mệnh đề phủ định: $\exists x \in Q: x^2-2x-3 \neq 0$
Cho mik hỏi vs ❤️❤️❤️❤️❤️❤️♣️♣️♣️
Giúp em ạ 😘 ai giúp em người đó là người từ bi
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Cho tập hợp L ={n/n=2k+1 với k E N
21. “shut the door ,Tom” she said (told) => She........................................................................................................................................... 22. “Don’t believe everything you hear” he said to me (advised) => He........................................................................................................................................... 23. “lend me your pen for a moment” John said to Mary(asked) => John........................................................................................................................................... 24. “would you like to have lunch with me on Sunday?”(invited) => He ........................................................................................................................................... 25. “Will you help me ,please?”she said(told) => She........................................................................................................................................... 26. “you had better apologize for being late”said my mother(advised) => My mother........................................................................................................................................... 27. “We will come back again”they said(promised) => They........................................................................................................................................... 28. “Keep quiet”the teacher said to us(told) => The teacher........................................................................................................................................... 29. “You’d better not swim too far from the shore,”the lifeguard said to us(advised) => The lifeguard........................................................................................................................................... 30. “could you close the window”John said to Peter(asked) => John........................................................................................................................................... 31. “you should join the football team ,Eric”said the teacher(encouraged) => The teacher........................................................................................................................................... 32. “I’ll give it to him tomorrow”John said(promised) => John ........................................................................................................................................... 33. “I’d like Lan to become a doctor”my mum said (wanted) => My mum........................................................................................................................................... 34. “Remember to lock the door before going to school”my sister said (reminded) => My sister........................................................................................................................................... 35. “you should go home and take a rest”the boss said(advised) => The boss........................................................................................................................................... 36. “you should not drink too much beer” his wife said (advised) => His wife........................................................................................................................................... 37. “Come and see me when you want” he said to us(invited) => He........................................................................................................................................... 38. “All right ,I ‘ll wait for you” his friend said(agreed) => His friend...................................................................................................................................... 39. “Let’s have a party this weekend” he said(suggested) => He................................................................................................................................................... 40. “I am sorry,I didn’t phone you earlier”Mary said(apologized) => Mary
làm nhanh cho mình với nha 1. He said to her, “ Come to the party. You’ll enjoy it,” => He told............................................................................................................................................................. 2. He said to me, “ I’ll lend you some money if you like”. => He offered........................................................................................................................................... 3. He said to us “ Why don’t you have a holiday in my country cottage?” => He invited............................................................................................................................................................. 4. “ All right. I’ll help you” Tom said to Joe. => Tom agreed............................................................................................................................................................. 5. “ I’ll tell you the truth” Tom said to Joe. => Tom promised......................................................................................................................................... 6. “ Whatever you do, don’t walk on the grass” the safeguard said to the tourists. => The safeguards warned............................................................................................................................... 7. “I must pay for the damage I’ve done,” she said. => She insisted........................................................................................................................................... 8. “ I haven’t done anything wrong,” Tom said. => Tom denied........................................................................................................................................... 9. “ No, I won’t talk to the lawyer,” Tom said. => TOm refused........................................................................................................................................... 10. “ Yes, I drove too fast through the town, she said => She admitted........................................................................................................................................... 11. “ You damage my sweater, Tom” said Ben. => Ben accused........................................................................................................................................... 12. Many people feel like taking part in the Boston Marathon. => Many people look forward..................................................................................................................................... 13. “ Stop speeding or you will get a ticket” said the traffic warden to the driver. => The traffic warden warned................................................................................................................................ 14. “ Please do go to the movies with me tonight.” said Aunt Fancy. => Aunt Fancy persuaded me............................................................................................................................. 15. “ Why don’t we work and keep ourselves from starving?” said Mike. => Mike suggested........................................................................................................................................... 16. “ Go on holiday when the weather gets warmer,” she told him. => She advised........................................................................................................................................... 17. “ Keep out of this room at all time,” she said to them. => She warned........................................................................................................................................... 18. “Remember to post those letters” he said to me. => He reminded........................................................................................................................................... 19. “ I am sorry I didn’t call you last night.” he said to me. => He apologized........................................................................................................................................... 20. “ If you don’t go out, I’ll phone the police,” he said to me. => He threatened...........................................................................................................................................
những điều em biết và sách ngữ văn 6
Số bé nhất có 5 chữ số có thể chia hết cho cả 2;3;5;9
| -Câu 1: +Viết khai báo tên chương trình là: Bai tap +Khai báo các biến dùng trong chương trình |-Câu 2: +Viết thủ tục nhập độ dài 2 cạnh a,b từ bàn phím + Viết câu lệnh gán biểu thức tính chu vi cho biến CV, biểu thức tính diện tích cho biến S |-Câu 3: + Viết thủ tục đưa ra màn hình giá trị của chu vi HCN(gt CV) + Viết thủ tục đưa ra màn hình giá trị của diện tích HCN(gt S)
1 nguyên tử R có tổng số hạt các loại bằng 115. Số hạt mang điện tích nhiều hơn số hạt không mang điện tích là 25 hạt . Tính nguyên tử khối của nguyên tử R
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