23°15′8″＋35°55′43″
=(23°+35°)+(15′+55′)+(8″+43″)
=58°+70′+51″
=59°10′51″
59°38′9″－21°56′25″
=58°98′9″-21°56′25″
=58°97′69″-21°56′25″
=37°41′44″
23°15′8″＋35°55′43″
=38°70′51″
=39°20′51″
59°38′9″－21°56′25″
=58°98′9″－21°56′25″
=58°97′69″－21°56′25″
=37°41′44″
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