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Quick reflex math test for times tables, mental math & fast calculation tricks
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USE, OGE, Mathematics, Russian, Geometry, Physics, Biology, Chemistry, Test, Probe
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Develop your listening skills and improve your vocabulary
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Wikium - online simulators for brain productivity, memory training and attention
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Detailed psyche analysis
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Learn, Practice, Revise, and Test your Math Skills in a FUN and Interactive Way!
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Improve focus, memory and train spatial thinking with these brain training games
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Master math using brain training math workouts, mental math tricks & math games
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Read faster, learn more, and unlock your full potential.
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150 thousand words of modern Russian language. Smart search. Offline mode.
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Challenging brain quizzes and math puzzles for every mathematical operation
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Word of the day - a new word to the interpretation and examples every day.
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Speed reading and brain training. Improve your concentration and attention.
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Meet Lucy: It's Artificial Intelligence Replacing Psychologists!
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Oral counting simulator. All mathematics: addition, subtraction, multiplication and division
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The best simulator for preparing for exams, CT, Unified State Exam, ZV in Russian!
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More than 3000 incredible and absolutely reliable facts that you did not know.
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orthography of russian language
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The classical way of improving speed reading and attention
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Getting ready for the exam. I am writing a dictation. We develop literate speech and writing.