Giá trị tuyệt đối của số nguyên a là gì?

Ai giải hộ mình với vote 5 sao nha ( giải chi tiết nha )

đưa ra tình huống để viết bản báo cáo

Bài 1: Tìm xEz để -5/x+2 có giá trị nguyên Bài 2: Chứng minh phân số 2n+1/2n+3 là phân số tối giản với mọi n là số tự nhiên

Câu 1 : Trình bày phương pháp nuôi giun đất Câu 2 : Tại sao trâu bò tiêu hóa được rơm trong khi lợn không tiêu hóa đc

As I (1. get) ……….… into my car my neighbour ( 2. shout) ………..… out of his front window and (3. ask)............… me where I (4. go ) ……….. . When I (5.tell) ……………… him I (6. go ) ………… to town he (7. ask )…………… if I (8.can)……….…… give him a lift into work. He (9.be ) ………….… afraid he (10.be ) ………..… late for work because his car(11.break down )……….. and it (12.not start ) …………… . I explained that I (13.not go )……………… into town but I (14.can ) …………… give him a lift to the railway station.

Bài 1: tìm x a)5/6+(5x+3/2)÷8/15=25/12 b)2/3×(x+9/5)-3/10×(5x-1/3)=7/15 Giúp mình với mình đang cần gấp

Khi uống nước giải khát, người ta hay sử dụng ống hút nhựa dạng hình trụ đường kính đáy là 0,4 cm; chiều dài ống hút là 18 cm. Hỏi khi thải ra môi trường, diện tích nhựa gây ô nhiễm môi trường do 100 ống hút này gây ra là bao nhiêu

1) The man ____________ your mother is talking to is my English teacher. 2) Ha Long Bay is a beautiful spot ____________ thousands of tourists visit every year. 3) The students ____________are standing in front of the library are my classmates. 4) Hoa’s parents, ____________ are farmers, work very hard to earn their living. 5) The children like to play football ____________ is very popular in our country. 6) These are the latest news ____________ you might want to know. 7) Ba and his friends are fond of the performing animals ____________ have just come to town. 8) The beach ____________ the students are cleaning up the trash is a beautiful one. 9) The parrot ____________ can speak some words belongs to my close friend. 10) This is the best movie ____________ I have seen. 11) He is enjoys reading books ____________ are on computer science. 12) Mother’s Day is the day ____________the children show their love to their mother. 13) Tet is a Vietnamese festival ____________ takes place in late January or early February. 14) The little girl ____________ is wearing the red dress sings beautifully. 15) Thu enjoyed her trip to Da Lat ____________ her grandparents lived long ago. 16) Lan’s parents came back to Ha Noi ____________ they visited last year. 17) They like Asian food ____________ is sold in that market. 18) Mary, ____________ sits next to me, is good at maths. 19) My office, ____________ is on the second floor of the building, is not very big. 20) That’s Jack, ____________ lives next door.

Cho hình vẽ sau. Chứng minh: CA > AE + CF GIÚP EM VS Ạ