... 44 e23:p!Hz o> XuAO = 46 !Hze Lêi gi¶i: /> 44 e23:p!Hz_4p = :p4e6CHze ;(A Cú j&t = 4_ :p4e6CHz = 4e213mWe o> 46 !Hz_4p = 4ezzz!Hz ;(A Cú j&t = 4_ 4ezzz!Hz = 2e83mWe ;&# #(J* jR 'g ... XOR 'X-* #l*E U4 +q, 44 44 444 4 5 *(` U(J* > +) W/A ?B E(, Cv' qAg 'Xở MH, #l*E L4e MOV P1, #55H ; P1 = 01010101 AGAIN: XLR P1,# 0FFH ; EX - 0R P1 với 1111 1111 ACALL ... '&#: 4? 0# #l*E9 p Ww/ ?r, *B+) z E(, *B X/ #l*E +)\ jk' Mc*( ?s*e Đ\H* j) $Iq, ?Jt 'XIq# (v' ?"' 242 4 242 45*(` U(J*> +)\ #l*E 4e =/A ?BMc*( XOR L49 #2TTH '(ự#...