Các câu hỏi tương tự
Tim x,y
|x+45|+|-2y+5| nho hon hoac bang 0
tim x,y thuoc Z biet
|y|.|2x+3|=8
|2x+4|+|y-3|=0
|x-1|+|2y+7|=3
|x+5|+|2y+6| nho hon hoac bang 0
Tim x, y thuoc Z biet : | x + 45 - 40 | + | y + 10 - 11 | nho hon hoac bang 0
tim x biet:|x| nho hon hoac bang 5
1) Tim cac so tu nhien biet 1950 nho hon hoac bang X nho hon hoac bang 2015
va X chia cho 4 du 1 ; chiacho 25 du 3
tim x,y biet |x-3|^2014+|6+2y|^2015 be hon hoac bang 0
a, 2nhan16>hoac bang 2 mu x nhan 74
b, 25 nho hon 5mu x nhan 5 mu 2 nho hon hoac bang 125
Cho A = /x-1/ + / x-11/
Tinh A khi 1 nho hon hoac bang x nho hon hoac bang 11
A={x thuoc N /7nho hon hoac bang x nho hon hoac bang 50, x chia het cho 7
a, viet tap hop A bang cach liet ke cac phan tu
b, tim sophan tu cua tap hop tren