44°36′36″+23°45′47″=(44°+23°)+(36′+45′)+(36″+47″)=67°+81′+83″=67°+60′+21′+60″+23″=67°+1°+21′+1′+23″=68°+22′+23″=68°22′23″51°22′-23°26′47″=51°21′60″-23°26′47″=...