Các câu hỏi tương tự
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 N biet (x-1)(2y+3)=26
tim x y thuoc n biet
xy+3x-2y=16
tim x, y thuoc z biet xy-x+2y=3
tim x,y thuoc Z biet
\(xy+3x-2y+8=0\)
Tim n thuoc N biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x+y =8
Tim n thuoc N , biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x + y = 8
Tim x,y thuoc Z biet
a}[x-3].[2y+1]=7
b}[2x+1].[3y-2]=-55
tim x thuoc N, biet [x-1] [x+3]=6