[size=5]1 x 8 + 1 =9[/size]
[size=5]12 x 8 + 2 = 98[/size]
[size=5]123 x 8 + 3 = 987[/size]
[size=5]1234 x 8 + 4 = 9876[/size]
[size=5]12345 x 8 + 5 = 98765[/size]
[size=5]123456 x 8 + 6 = 987654[/size]
[size=5]1234567 x 8 + 7 = 9876543[/size]
[size=5]12345678 x 8 + 8 = 98765432[/size]
[size=5]123456789 x 8 + 9 = 987654321[/size]
[size=5] 3ahhyes3[/size]
[size=5]Bây giờ mình mới biết[/size]
[size=5]Nguồn: 9gag.com[/size]