Giúp em với ăn. Em còn có 20p thôi T_T

Lam tinh chia: ( 3x^4 + x^3 + 6x -5) cho x^2 +1

Cho tam giác abc có ab=12,ac=16,bc=20 a,C/m tam giác abc vuông tại a b,Cho ah vuông góc bc.tính đường cao ah

phân tích biện pháp nghệ thuật sử dụng trong câu thơ hoa cười ngọc thốt đoan trang theo tổng phân hợp

trên cùng một nửa mặt phẳng bờ chứa tia ox vẽ hai tia oy và oz sao cho xoy = 40 độ xoz 80 độ a tia oy có nằm giữa hai tia õ và oz ko vì sao so sánh xoy và yoz tia oy có là tia phân giác của góc xoz ko vì sao vẽ góc kề bù vs xoy tính góc yot

1. I’ll be in trouble if I _________my passport. A. lost B. will lose C. lose D. would lose 2. If it is raining this evening, I___________. A. will go out B. don’t go out C. go out D. won’t go out 3. If he ___________ hard today, can he have a holiday tomorrow? A. works B. will work C. worked D. would work 4. If you are busy, we ___________ this by ourselves. A. will do B. did C. would do D. doing 5. If it ___________ tomorrow, we may postpone going. A. rains B. will rain C. shall rain D. raining 6. Unless you _________ all of my questions, I can’t do anything to help you. A. answered B. answer C. would answer D. are answering 7. I’ll give you a call if I ___________ some help tomorrow.” A. will need B. need C. would need D. needed 8. Will you be angry if I ___________ your pocket dictionary? A. stole B. have stolen C. were to steal D. steal 9. If you press that button what ___________? A. happen B. happened C. will happen D. would happen 10. Water these plants or they will die. A. If you did not water these plants, they will die. B. If you water these plants, they will die. C. If you don’t water these plants, they will die. D. If you are watering these plants, they will die. 12. I am poor, so I can’t buy a car. A. If I am rich, I can buy a car. B. If I were rich, I can buy a car. C. If I were rich, I could buy a car. D. If I were rich, I will buy a car. 13. He is too short to play basketball. A. If he were not short, he could play basketball. B. If he is not short, he could play basketball. C. If he were not short, he will play basketball. D. If he were short, he could play basketball 14. Try to work hard or you will fail in the exam. A. If you try to work hard, you will fail in the exam. B. If you don’t try to work hard, you won’t fail in the exam. C. If you don’t try to work hard, you will fail in the exam. D. You would fail the exam if you didn’t try to work hard. 15. I want to meet Mary, but I don’t have her address. A. If I have Mary’s address, I will meet her. B. If I have Mary’s address, I would meet her. C. If I had Mary’s address, I will meet her. D. If I had Mary’s address, I would meet her. 16. If I don’t come here early, I will miss the bus. A. Unless I don’t come here early, I will miss the bus. B. Unless I come here early, I will miss the bus. C. Unless I come here early, I won’t miss the bus. D. Unless I came here early, I would miss the bus. 17. You can’t visit Paris unless you get a visa. A. If you get a visa, you can’t visit Paris. B. If you got a visa, you can visit Paris. C. If you don’t get a visa, you can’t visit Paris. D. You couldn’t visit Paris if you got a visa. 18. She goes to school late because she lives far from school. A. Unless she lives far from school, she wouldn’t go to school late. B. Unless she lived far from school, she would go to school late. C. If she lived far from school, she wouldn’t go to school late. D. If she didn’t live far from school, she wouldn’t go to school late. 19. If you wanted my advice, I wouldn’t buy a new house here. A. If I am you, I won’t buy a new house here. B. If I am you, I wouldn’t buy a new house here. C. If I were you, I wouldn’t buy a new house here. D. If I were you, I won’t buy a new house here. 20. Ba didn’t do his homework, so he got a bad mark. A. If Ba did his homework, he wouldn’t get a bad mark. B. If Ba had done his homework, he wouldn’t get a bad mark. C. If Ba had done his homework, he wouldn’t have got a bad mark. D. If Ba had done his homework, he would have got a bad mark. 21/ He can’t go out because he has to study for his exam. A. If he didn’t has to study for his exam, he could go out. B. If he didn’t have to study for his exam, he could go out. C. If he doesn’t have to study for his exam, he could go out. D. If he had to study for his exam, he could go out. 22. Larry didn’t buy the shirt because she didn’t have enough money. A. If Larry hadn’t had enough money; she wouldn’t have bought the shirt. B. If Larry had had enough money; she would have bought the shirt. C. If Larry had had enough money; she would buy the shirt. D. If Larry had enough money, she would have bought the shirt

trung bình cộng của ba số là 84 . số thứ nhất bằng trung bình cộng của số thứ 2 và số thứ ba .số thứ 2 là 76 tìm số thứ 3

Vẽ anime gơn:)) full màu digi or tradi đều đc full line luon nhớ:v NL: Nay đc Mod add face mn ạ:>

Tính diện tích (S) và độ dài đường chéo (d) của hình chữ nhật, biết chiều dài (a) và chiều rộng (b) là các số nguyên nhỏ hơn 100. Chọn cách khai báo đúng nhất?

nếu mọi người không đoàn kết, hay cãi vã nhau trong 1 nhóm thì mình sẽ làm gì