K
kagomehigurashi
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Rảnh thì giúp mình nhé !
Tìm x,y nguyên
a) xy=2x+4y
b) 3xy-x-y=1
c) 3xy-4(x+y)=2
d) xy-5x+y=16
e) 2xy-4x-y=3
Tìm x,y nguyên
a) xy=2x+4y
b) 3xy-x-y=1
c) 3xy-4(x+y)=2
d) xy-5x+y=16
e) 2xy-4x-y=3