Mặc cái áo khoác 1tr bi h k bằng tin nhắn 250đ?

"..Mai đc nghỉ học" ^o^

Quà tặng Valentine nè :)

các bạn chỉ cần vào google và gõ :

sqrt( cos(x))*cos(300x)+sqrt(abs(x))-0.7 ) * (4-x*x)^0.01, sqrt(6-x^2), -sqrt(6-x^2) from -4.5 to 4.5

xong bấm enter là ok

Chúc mn buổi tối ấm áp nhé kaka

h@ve fun!!

=╩=╦=╩=╦==╩=╦=╩=╦==╩╦==╩╦=╩==╦=╩=╦=

=╦=╩=╦=╩=╦==╩=╦=╩=╦=╩=╦=╩=╦==╩=╦=╩=

=╩=╦=╩=╦=╩==╦=╩=╦=╩=╦=╩=╦=╩=╦==╩=╦=

=╦=╩=╦=╩=╦==╩=╦=╩=╦=╩=╦=╩=╦=╩==╦=╩

░░░╔╗╗░╗░░╗╗╗╔╗░░░░░░░░░╔╗░░░░░╔╗░░░

░░░╠╣╚═╚═░╚╩╝╠╝░╔╗╔╗╔╗░╦╚╗░░║║║╚╗═╦═

░░░░░░░░░░░░░╚═░╠╣║░╚═░╩╚╝░╚╝╚╝╚╝░╝░

░░░░[̲̅A̲̅][̲̅N̲̅][̲̅O̲̅][̲̅T̲̅][̲̅H̲̅][̲̅E̲̅][̲̅R̲̅] [̲̅B̲̅][̲̅R̲̅][̲̅I̲̅][̲̅C̲̅][̲̅K̲̅] [̲̅I̲̅][̲̅N̲̅] ░

░░░░░░░░ [̲̅T̲̅][̲̅H̲̅][̲̅E̲̅] [̲̅W̲̅][̲̅A̲̅][̲̅L̲̅][̲̅L̲̅] ░░░░░░░░░░░

=╩=╦=╩=╦==╩=╦=╩=╦==╩╦==╩╦=╩==╦=╩=╦==

=╦=╩=╦=╩=╦==╩=╦=╩=╦=╩=╦=╩=╦==╩=╦=╩=╦

=╩=╦=╩=╦=╩==╦=╩=╦=╩=╦=╩=╦=╩=╦==╩=╦=╩

=╦=╩=╦=╩=╦==╩=╦=╩=╦=╩=╦=╩=╦=╩==╦=╩=