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5ЧП, Свойства въздух, кислород и въглероден диоксид
Максимален брой точки (37 т).
Отличен 6
( 33-37 т.),
Мн. добър 5
( 24-32 т.),
Добър 4
( 15-23 т.),
Среден 3
( 7-14 т.),
Слаб 2
(0-6 т.)
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