xoOÌ@-e\rx\r¤1¥<ýþÿ3={-1,0,1},\r???“”?\r2A?“”!"X$yiA,'x+yeA\r3+,-./0“”A,123456.78?56!"x$yiA,'9\rxyeA.\r:;<=1;<>?@\r2>?@3756?>?@\r:?@=\r:A@=1BC“”.DE12FGEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r(2)BC“”.DEJKyeA,LGMx+ywA,\r(3)“”.DEGMOx$yP?0Q1RSTUeA,Ox$yVWX0,1,DEMx-l,\r--eA,TZ.DEFG.\rx-ix\r:\]I_?=\rBW?“”??TeBleB.b/1/1=/2e8,\rdeBW?“”\r??“”??0GQ,IGQ\r+,-xeQ,y^Q,?x-yeQ,gh?0R-e(2\rX\rde\r??“”\r:\]2_?=ijA?“"deOeA,\r"x$ylA,'OKyeA,F/yeA,\rdex-(-y)eA,Fx+yeA!\r:\]3_?=\r+,-/0“”A,,mx$A,"x$yP?0Q1RSTn\r34x$yVWX0,1,DEMKK7KeA,\rx-lx\r111“\rde/r//=~rdex(xKl)eA,\rx-1xx(x-l)\r(2)Mx(x-l)+x=x?tA,u?VeA,\r"x+y=O.wx+y=l.ST(x+y)2t4,\r"y+yw?gz+ywl,'(x+y>tA,de2n=(x+y)2//t}de\r~}y\r111“\r(2)M/=+eA,deneA,\r2xy2xy\rxy&A.