Giúp mình với ><
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

Những câu hỏi liên quan

5 tháng 7 2016
Ta có: (x+2)+(x+4)+...+(x+2016) = 1018080
(x+x+x....+x)+ (2+4+...+2016) = 1018080
1008 x + 1017072 = 1018080
1008x = 1018080 - 1017072
1008x = 1008
x =1008 : 1008
x = 1
Vậy x=1

NT
0


11 tháng 7 2016
|x - 5| = |-7|
|x - 5| = 7
=> x - 5 thuộc {7 ; -7}
=> x thuộc {12 ; -2}
Ủng hộ mk nha ^_-
11 tháng 7 2016
\(\left(x-5\right)=-7\)
\(x=-7+5\)
\(x=-2\)
Chúc bạn học tốt >.<
NC
0

1.The bus which i take it to school every morning is always crowded.
2.They are singing a song which i don't know.
3.A midwwife who assists other women in child birth is a woman.
4.My father bought a motorbike which costs 2 thousand dollars.
5.They are the postcard which i sent .....
6.Do you know the girl to whom Tom is taking?
7.Tom who comes from VietNam speaks EL very well.
8.My father who has gone to abroad is a doctor.
9.The man whom i respect most is my father.
10.Ling Giang whom we met yesterday is my neighbor.
11.I used to go to the church when i was a child.
13.Mr Micheal used to grow tupips but...