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Problems

Math
Difficulty
Sort by
132
Broken
Medium
133
Square and Points
Very easy
140
Financial pyramid
Very easy
146
Squares - 2
Very easy
149
Factorial - 2
Easy
152
New Year's Gifts - 2
Easy
160
Dancing school
Easy
165
Symmetry
Very easy
167
Progressions
Medium
168
Lomonosov of our days
Medium
178
Every third one is free
Very easy
186
Egyptian symbols
Very easy
192
Just Fibonacci
Very easy
196
Simple Game
Easy
215
Compote Preparation
Very easy
217
The Great Secret
Easy
219
Central heating
Very easy
239
Triangles
Easy
246
Pyramid
Medium
248
Young gardener
249
The Very Hard One
Easy
252
The Shortest does not Mean the S
Medium
253
Watermelon Fields Wonderland Countries Fools
Hard
255
License Software
Very easy
256
Continued fraction
Very easy
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