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Problems

For Beginners
Difficulty
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1
Simple problem
Very easy
2
Digits
Very easy
4
Two circles
Easy
8
Matches
Easy
57
The Butterfly – Medical Attendan
Very easy
67
Cheese for Anfisa - 2
Very easy
76
New case
Very easy
108
Median number
Very easy
126
Apartment number
Very easy
133
Square and Points
Very easy
138
Cash machine
Easy
142
Point and Line Segment
Very easy
143
Point and triangle
Very easy
153
Two rectangles
Easy
206
Tourist
Very easy
219
Central heating
Very easy
407
Exchange
Very easy
478
White cubes
Easy
500
Repair
Very easy
583
Airplane
Hard
803
Paragraph
Medium
901
Number of operations
Very easy
902
The level of educational achievements
903
First or last?
904
Increase by 2
Very easy
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