Cho biểu thức N =  ( 1 2 x − 1 + 3 1 − 4 x 2 − 2 2 x + 1 ) : x 2 2 x 2 + x . Với giá trị nào của x thì N xác định

A. x ≠ {0; − 1 2 ; 1 2 }

B. x ≠ {-2; 0; 2}

C. x ≠ { − 1 2 ; 1 2 }

D. x ≠ {0;  − 1 4 ;    1 4 }

Truyện “Chiếc lược ngà” có mấy nhân vật chính?

Hello everybody! My name's Trang . T-R-A-N-G . I'm eleven years old . I'm a student at Thanh Long Secondary Scool . I'm in grade 6 and class 6A . I live in the country in Nghe An Province . I live with my family . My family has five members : my farents , younger sister , younger brother and me . My favourite subject is English . I like it because it's very intersting . I also like sports , especially badminton . In my free time , I often listen to music . I want to be a teacher of English in the future . That is what about me . Bye-Bye

Mk cx thi Rug Chuôg Vàg

84

tick nha Mai Hoang Thong

Hello ! My name's Trang . I'm eleven years old . I'm a student at Thanh Long Secondary School . I live in the country in Nghe An Province .I live with my family . My family has five members : my parents , younger sister , younger brother and me . My favourite subject is English . I like it because it's very intersting . I also like sports , especially badminton . In my free time , I often listen to music . I want to be a teacher of English in the future . That is what about me . Bye-Bye

Sắp xếp :

_ Do you have to wear uniforms on Monday ?

_ Tan is very good speaking English