$3 ( x - 2 ) ( x + 3 ) - x (3x + 1) = 2$

Chứng minh `1/100+1/101+...+1/199+1/200>7/12`.

CHOOSE THE ANSWERS. ( PHRASAL VERBS) 20. He did not particularly want to play any competitive sport. A. use up B. do with C. take up D. go on 21. I am tired because I went to bed late last night. A. stayed up B. kept off C. put out D. brought up 22. The small white flowers are my favorite. They give off a wonderful honey smell that scents the entire garden. A. release B. stop C. end D. me 23. I felt let down when I didn't receive a birthday card from my sister. A. disappointed B. interested C. excited D. bored 24. Do you have to light up another cigarette? I thought you were trying to cut down. A. burn B. illuminate C. save D. smoke 25. I couldn't make out what he had talked about because I was not used to his accent. A. stand B. understand C. write D. interrupt 26. The firefighters fought the blaze while the crowd was looking on it. A. blowing B. watering C. preventing D. watching 27. The police are looking into the murder. A. redoing B. investigating C. doing D. ignoring 28. Within their home country, National Red Cross and Red Crescent societies assume the duties and responsibilities of a national relief society. A. take on B. get off C. go about D. put in 29. Giovanna doesn't get along with her two brothers. A. agree with B. hate C. please with D. have a good relationship with 30. You don't need a computer. You can get by with the typewriter. A. understand B. manage with C. buy D. pass with

anh chị giúp e làm câu bài tập này vs ạ

Biết: 13+23+....+103=3025 Tính:23+43+63+...+203

Cần trong 20 phút , giải chi tiết không bỏ bước nào

Trả lời câu hỏi 10.The teacher won't correct the exercises tomorrow 11.My mother used to make us clean the house 12.You can buy videos like this one anywhere 13.People use the computer very often 14.She makes this dress for her daughter 15 Somebody accused me of straling money Trả lời được vote 5*

Hãy viết đoạn văn kể lại ngắn gọn một sự việc em lỡ gây ra khiến bố mẹ buồn phiền.

Cho mình hỏi từ hàng 1 ra được hàng 2 thì làm như thế nào vậy ạ??

Giúp mik làm bài 7 vs bài 8 nha hứa vote 5 sao