$\frac{3x+29}{x+3}=\frac{3(x+3)+20}{x+3}=3+\frac{20}{x+3}\in N$
$\Rightarrow x+3\in Ư(20); x+3\geq 3$
$\Rightarrow x+3=4;5;10;20\Rightarrow x=1;2;7;17$ 
http://toan.hoctainha.vn/users/46871/khucminhhien050801/thong-ke –  ๖ۣۜJinღ๖ۣۜKaido 25-03-16 10:15 PM
có để anh coi xem ai :D –  ๖ۣۜJinღ๖ۣۜKaido 25-03-16 10:15 PM
có thấy tên ai không ? –  •♥•.¸¸.•♥•Furin•♥•.¸¸.•♥• 25-03-16 10:12 PM
thg nào rãnh rùi ai biết –  ๖ۣۜJinღ๖ۣۜKaido 25-03-16 10:12 PM
ai đánh dấu vi phạm anh vậy ? –  •♥•.¸¸.•♥•Furin•♥•.¸¸.•♥• 25-03-16 10:09 PM
bố nào rãnh rùi đi báo cáo thế nhở :D anh đánh nhầm mak lm quá vấn đề –  ๖ۣۜJinღ๖ۣۜKaido 25-03-16 10:07 PM

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