Viết đoạn văn( dài nha tầm 1tr) nghị luận về che giấu khuyết điểm của bản thân sẽ không làm ta trở nên tốt đẹp hơn Giúp mik vs ạ !! Helppp ( sẽ vote 5* nha)

(3*căn bậc hai(5) + căn bậc hai(2)) * (3*căn bậc hai(5) - căn bậc hai(2))

Bài 3. Tính nhanh: a) A= 1.2 + 2.3+ 3.4 +…+ 100.101 b) B= 1.2.3 + 2.3.4 + 3.4.5 +…+ 100.101.102 Bài 4. Tính giá trị các biểu thức sau bằng cách hợp lý: a) A = 714 + 382 + 286 + 318 b) B = 35.34 +35.86 +65.75 +65.45 c) C = (257.139 – 257 .39) : 100 d) D = 102 – 96 + 90 - 84 +…+ 54 – 48 e) E = 3 + 5 + 7 + … + 2021 Bài 5. Tính nhanh: a) A= 1.2 + 2.3+ 3.4 +…+ 2020.2021 b) B= 1.2 + 2.3 + 3.4 +…+ n.(n + 1)

(căn bậc hai(2) + căn bậc hai(72) - căn bậc hai(18)) * căn bậc hai(2)

Giúp mk với nha mn mk ko biết làm

giúp tí đặt tiếp =)))))))) nhanh nhó

we should do our homework before go to bed. it's a good

làm giúp em câu c ở trên với vd2 ạ

Make the conditional clauses according to the facts provided: 1. He wasn’t able to answer the questions, so he failed the exam. ® If….......…………………………………………............................................... 2. I didn’t see you there, or I’d have said Hello. ® If….......……………………………………………………………… 3. The reason I haven’t been to Hawaii is that I can’t afford it. ® If….......………………………………………………..................................... 4. They won the games because two of our players were injured. ® If….......……………………………………………....................................................... 5. They are having a row because she borrowed his tennis racket and lost it. ® If….......……………………………… 6. I’m afraid of traveling by air, so I had to go to American by boat. ® If….......………………………………………........................................................... 7. She hasn’t studied English before. That’s why she’s in introductory class. ® If….......…………………………………………………………………………………………….. 8. One of the reasons I didn’t phone you was that I was very busy. ® If….......…………………………………………………………………………………………….. 9. Keep silent or you’ll wake the baby up. ® If…………………………………………… 10. Go right now or you’ll be late for the rain. ® If………………………… 11. As she is often absent from the class, she can’t keep pace with her classmates. ® Unless………………… 12. He had a flu because he ran out in the rain last night. ® If….......…….……………………………………………… 13. Be calm or you’ll make a wrong decision. ® If…........……………………………………………………………… 14. Without a visa, she couldn’t have come to this country. ® If….......………………………………………………………… 15. In the snowy weather we don’t go to school. ® If….......………………………………………………………………… 16. If the news turns out to be true, I’ll sell my shares at once. ® Should.……….………………………………………........................................... 17. If he fails the final examination, he won’t be able to graduate. ® Unless...…………………………………………............................................. 18. Provided that you leave an address we’ll be able to contact you. ® Unless...………………………………….………............................................................ 19. Without Jack’s help, I wouldn’t have been able to move the table. ® If….......………………………………………......................................................... 20. If you hadn’t told me about Sue’s hair, I wouldn’t have noticed. ® Unless...…………………………………………..................................................................... 21. The policeman showed me the way, so I found the house. ® If….......…………………………………………………................................................. 22. We stayed up all night, that’s why we’re so tired this morning. ® If….......…………………………………………...........................................................

Put the verbs in the brackets in the correct tense. 1. If he (win)__________________, he (get) _______________________$1000; if he (come) _____________________in second, he (get) _________________________ $500. 2. If you (feel) ___________________ too hot during the night, turn down the central heating. 3. Jack is a translator; he translates 1000 words a day and gets $100 a week, which he says isn't enough to live on. - Well, if he (want) ____________more money he (have) _________________to do more work. Advise him to translate 2000 words a day. 4. If you (finish) ___________________with your dictionary, I'd like to borrow it. 5. Jack (in canoe): Watch me! I'm going to stand up! Tom (on the bank): He's an idiot! If he (stand) ________________---up in the canoe it _____________________(capsize) 6. The lift wasn't working when I was here last. If it still (not work) _________________we (have)______________________ to use the stairs. 7. If you'd like some ice I (get) _________________some from the fridge. 8. He's only sixteen but he wants to leave school at the end of the term. - If he (leave) _______________ now he (be) ________________________sorry afterwards. 9. I expect it will freeze tonight. - If it (freeze) _________________tonight the roads (be) ______________________very slippery tomorrow. 10. That book is overdue. If you (not take) __________________it back to the library tomorrow you (have) __________________________to pay a fine. 11. You'd better take the day off if you (not feel) ______________________well tomorrow. 12. If you (like) _________________, I (get) __________________you a job in this company. 13. You can use my phone if yours (not work) ________________. 14. If you (not work) _____________________the meaning of a word you may use a dictionary. 15. If he was in, he (answer ) _______________________the phone. 16. You ( not be ) _____________________ any use to me unless you learn to type.