Bài thơ tiểu doi xe không kính Em can gap ạ Giup e voi

Chỉ 1 câu th, nóng hổi vừa thổi vừa dễ

Làm giúp mình với mn ơi hứa vote 5 sao

1: Tính giá trị của biểu thức sau: a) A = 4x – ( x +3)2 + ( x+3)(x-3) với x = - 2,4 b) B = ( 3x +4)2 -10x – 9( x - 4)(4+x) với x = -0,1 c) C = ( x + 5)2 - 2 ( x – 6 )( x+ 6) + ( x+2)( x-4) với x = -1/2

cho tam giác ABC vuông tại B bt sinA =3 phần năm .Tính các tỉ số lượng giác của góc C

phải giải thích nhé nhanh lên 8h mình nộp bài giải thích dài vào mới có ctlhn mình cảm các bạn hhhhhhhhhhhhhhheeeeeeeeeeeeeelllllllllllllllllllppppppppppppppppppp 20. Choose the word whose underlined part is pronounced differently from the rest. A. advice B. machine C. Chinese D. decide 21. Choose the best answer among A, B, C or D to complete the following sentence. They are used _________outdoors and under pressure. A. to work B. to be working C. to working D. worked 22. Choose the underlined word or phrase that is in correct. Did your house built a long time ago? A B C D 23. Choose the best answer among A, B, C or D to complete the following sentence. Do you mind if I turn _________the T.V? I want to watch the news. A. off B. out C. down D. on 24. Choose the sentence which has the same meaning as the given one. She doesn’t go to china with us. A. We wish she goes to China with us. B. We wish she did went to China with us. C. We wish she went to China with us. D. We wish she can go to China with us. 25. Choose the best answer that is made from the given cues. conutries / not / those / many / to / plan / agreed / the / of A. Many of those countries agreed not to the plan. B. Many of those countries not agreed to the plan. C. Not many of those countries agreed to the plan. D. Not of many those countries agreed to the plan. 26. Choose the best answer among A, B, C or D to complete the following sentence. _________him this book if he comes. A. Gave B. Give C. Giving D. Given 27. Choose the underlined word or phrase that is in correct. When she came to my house this morning, I still slept. A B C D 28. Choose the best answer among A, B, C or D to complete the following sentence. She asked me what _________. A. is my name B. my name is C. my name was D. my name 29. Choose the best answer among A, B, C or D to complete the following sentence. - An: “I’ve passed my exam.” - Ba: “_________.” A. Good luck B. It’s nice of you to say so C. That’s a good idea. D. Congratulations! 30. Choose the best answer among A, B, C or D to complete the following sentence. - Mary: “That’s a very nice skirt you are wearing.” - Julia: “_________.” A. That’s nice B. I like it C. That’s all right D. I’m glad you like it

Chứng minh bằng cách : 2 góc so le trong bằng nhau

VI. Make questions for the underlined words for these answers. 1. ? The Ha Nhi ethnic group hasabout 12,500 inhabitants. 2. ? They live in the provinces of Lai Chau and Lao Cai. 3. ? The Ha Nhi family worship their ancestors. 4. ? They live on rice cultivation of burnt-over land or terraced fields. 5. ? They use ploughs and harrows pulled by oxen and buffaloes to work in the fields.

The World Series this year was more exciting than all the___________before. A. series B. sery C. serie D. serius

help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!