‰PNG  IHDR½Mš¹0PLTE@@@€€€¾¾¾ÿÿÿà®ftRNSÿÿÿÿû¶S pHYsêe¤tEXtTitleInftyEditor MathImagey¥ŒÃtEXtAuthorAdministrator¯Ç*¦tEXtDescription $ 1 $°Âî4tEXtCopyrightInftyProjectÍ@æÎ$tEXtCreation Time À¸ÕrÄ'ÕrÈÖârÀ'ÕrÈìÕr ñø%IDATxœcpA Ô0bAp6Dpq2JJ&¨p0P¡Vj‹›ÆìIEND®B`‚