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MusicAccordion
Balalaika
Bassoon
Bayan
Cello
Contrabass
Domra
Drum set (drums)
Flute
Guitar
History of music
Other
Piano (pianoforte)
Saxophone
Solfeggio
Synthesizer
Trombone
Tuba
Violin
Vocals
Exact sciences3D-modeling
Algebra
Architecture
Descriptive geometry
Geometry
Informatics
Mathematics
Mechanics
Physics
Programming
Statistics
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SportAcrobatics
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Figure skating
Gymnastics
Roller Skates
Skiing
Snowboard
Tennis
Algebra
Architecture
Descriptive geometry
Geometry
Informatics
Mathematics
Mechanics
Physics
Programming
Statistics
Trigonometry
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Acting
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Other
Photoshop
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Primary school
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Speed reading
LanguagesAfrikaans
Arabic (Egyptian)
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SportAcrobatics
Chess
Figure skating
Gymnastics
Roller Skates
Skiing
Snowboard
Tennis
Arabic (Egyptian)
Arabic (Modern Standard)
Azeri
Belarusian
Bulgarian
Chinese (Cantonese)
Chinese (Mandarin)
Chinese (Other)
Chinese (Shanghainese)
Croatian
Czech
Danish
Dutch
English
Finnish
French
Georgian
German
Greek
Greek (Ancient)
Hebrew
Hungarian
Indonesian
Italian
Japanese
Kazakh
Korean
Latin
Latvian
Mongolian
Norwegian
Other languages
Persian (Farsi)
Polish
Portuguese
Romanian
Russian
Serbian
Sign Language
Slovenian
Spanish
Swedish
Tatar
Turkish
Ukrainian