[van truong]

so do mach
http://www.mediafire.com/?vqoihuhdc9ueqkh

chuong trinhtext mach
http://www.mediafire.com/?t2ec5y4g1551wv9

hinh anh ve mach minh da lam
http://www.mediafire.com/i/?y46og3xyiw3ewl3
http://www.mediafire.com/i/?zys29oqi8948l94
http://www.mediafire.com/i/?f5zt5oeue99b20z