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0
2022-12-14 21:14:09
nϵ{-1;-3;1;-5}
2022-12-14 21:11:06
xϵ{-1;-3;1;-5;7;-11}
2022-12-14 21:08:20
9xe
2022-12-14 21:06:54
x=0;y=-5
x=-4;y=-1
x=-2;y=1
x=2;y=-3
2022-12-14 21:00:21
a,b,c đều là hợp số nha bạn