http://linearalgebra.tistory.com/attachment/cfile25.uf@1475261C4BCB28BE25275C.swf"/>
http://linearalgebra.tistory.com/attachment/cfile4.uf@1931701C4BCB28C2DCE0C2.swf"/>

 

 

너도나도 전문가욬ㅋ