Một số câu ĐCĐT sưu tập từ năm ngoái (nh ko có hình vẽ)

http://www.mediafire.com/?5tqg63j2166c9t7
http://www.mediafire.com/?97tcq1wn3hsstl4
http://www.mediafire.com/?uuf4kdxvu34xhcm
http://www.mediafire.com/?i9hke0cfrankeox
http://www.mediafire.com/?mwj5s689g9j2js3
http://www.mediafire.com/?qjjmdk2qy4wm1wo
http://www.mediafire.com/?5d5pc3codwhvvpn
http://www.mediafire.com/?88upajo7ucq86qw
http://www.mediafire.com/?w7bsj4ef6185t2m
http://www.mediafire.com/?h7q5hf598vhc2gn
http://www.mediafire.com/?4mhu7c5w6zw09br
http://www.mediafire.com/?k72abnueiefoo26
http://www.mediafire.com/?i5tqv2bgr58aior
http://www.mediafire.com/?ji1rtqhg885suci
http://www.mediafire.com/?3iba573u4mhqmyi
http://www.mediafire.com/?70inhfqo7a7n6dq
http://www.mediafire.com/?0zsd1q95l06kihl
http://www.mediafire.com/?3e6nqsxl3506qrn
http://www.mediafire.com/?d1umy4jtb55sjgt
http://www.mediafire.com/?8c79ipw0fvc94x7
http://www.mediafire.com/?dvj4atm0wttcy8t
http://www.mediafire.com/?0nc9igthadnn0kc
http://www.mediafire.com/?ig8z42lc9aj5cgv
http://www.mediafire.com/?jh029g5rdfmje8p
http://www.mediafire.com/?i5zzj26t15mbscz
http://www.mediafire.com/?bs1irt6r1wlya4s
http://www.mediafire.com/?2dit7fq99sd67eu