user-avatar
moclienhoa2004
2 năm trước
Tính (x-3)+(x-2)+(x-1)+...+10+11
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Phrasal verb to come : fill in the correct prepositions or adverbs. 1. It was some time before he came ___ after being knocked out. 2. He came ___ to my way of thinking after a good deal of argument. 3. It’s no use trying to keep this secret; it’s sure to come ___ in the end. 4. The question of salary increases will come ___ at the next general meeting. 5. Those rust marks will come ___ if you rub them with lemon. 6. Seeing me from across the room, she came ___ me. 7. He came ___ a fortune last year. (He inherited it). 8. Wait till prices come ___ again before you buy. 9. Come ___. It’s far too cold to wait here any longer. 10. The handle of the tea-pot came ___ in my hand as I was washing it. 11. I came ___ a vase exactly like yours in an antique shop. 12. I’m at home all day. Come ___ whenever you have time. 13. The expected answer came ___. 14. Has she come ___ the book yet? 15. Come ___ the taxi’s waiting for us. 16. They are coming ___ Sunday. 17. I came ___ to the country cottage in the morning. 18. The button has come ___. 19. He has come ___ the property. 20. The buds are coming ___ now. Test 12. Phrasal verb to go : fill in the correct prepositions or adverbs. 1. I had to wait for permission from the Council before I could go ___ with my plans. 2. The guard dog went ___ the intruder and knocked him down. 3. He had a sandwich and a cup of tea, then he went ___ working. 4. I went ___ the proposal very carefully with my solicitor and didn’t accept the order. 5. The gun went ___ by accident and wounded him in the leg. 6. Wearing black for mourning went ___ many years ago. 7. She went ___ a beauty contest and got a prize. 8. The price of tomatoes usually goes ___ in summer in England. 9. If there isn’t enough soup to go ___ just put some hot water in it. 10. The early colonists of America went ___ many hardships. 11. You can’t go ___ ___ your promise now; we are depending on you. 12. I’ve changed my mind about marrying him; I simply can’t go ___ ___ it. 13. The plane crashed and went ___ in flames. 14. I refused to go ___ now. I’m going forward. 15. They have gone ___ all the calculations again but they still can’t find the mistake. 16. The party went ___ very well; we all enjoyed ourselves. 17. Mary went ___ in such a hurry that she left her passport behind. 18. Why don’t you go ___ ___ stamp collecting if you want to have a quiet hobby? 19. Her weight went ___ to 70 kilos when she stopped playing tennis. 20. Don’t go ___ food if you want to economize. Just dri

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team