Các câu hỏi tương tự
(2x-1)(3y-2)=27 tim x y biet x y thuoc n
tim x,y thuoc N biet
(2x+1)*(y+20)=10
tim so tu nhien a biet a=2^x.3^y voi x y thuoc N* va a co 15 uoc
tim x,y thuoc N,biet
a, 3x+12y=151
b, x.(3y+1)=15
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
tim x, y thuoc Z biet
(2x-1)*(y+4)=11
cho a =2^x . 3^y voi z,y thuoc N* . biet a co 15 uoc . tim a
mấy bn giúp vs nhá
TIM X,Y BIET 2X+3Y=4O X,Y THUOC N
Tim x,y thuoc Z biet
a}[x-3].[2y+1]=7
b}[2x+1].[3y-2]=-55