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Problems

Math
Difficulty
Sort by
958
Surface area of pyramid 4
Very easy
965
Polynomial
Very easy
1005
Matches for children are not toys!
Very easy
1033
Cake from Tolya
Very easy
1113
Castle
Very easy
1116
Product of digits
Easy
1121
A^B mod C
Medium
1123
Lucky Number
Very easy
1124
Alphabetic graffiti
1127
Big Number
Very easy
1128
Longge`s problem
Very easy
1135
Arithmetic Exercise
Hard
1138
Sum of products
Easy
1142
Division by zero or ...
Very easy
1151
Treasure Hunter
Very easy
1154
Circle of choirs
Very easy
1155
Euclid Problem
Very easy
1157
The Cat in the Hat
Medium
1158
The Luckiest number
Hard
1174
Weighted points
Easy
1177
The Function
Hard
1181
Mint
Very easy
1182
Simple division
1183
Boxes
Very easy
1184
Hyper-drive
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