Mental Math
by Victor Burtman
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Number of Questions
20
50
100
Difficulty Level
Easy
Medium
Hard
Start Game
Best Times
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Question 1/20
00:00
3 + 5 = ?
Tens
-
Units
-
Attempts left: 5
🗑️ Clear
Game Complete!
03:45
New record!
Game Summary
Correct answers
15
Failed questions
5
Time penalty
25s
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