Răspuns :
Marea Neagră+ Marea Azov= 462.535 km2
Marea Neagră+49.045=462.535km2=>
=> Marea Neagră= 462.535- 49.045
Marea Neagră= 413.490 km2
Marea Neagră+49.045=462.535km2=>
=> Marea Neagră= 462.535- 49.045
Marea Neagră= 413.490 km2