# Advent calendar 2015

## 5 December

How many different triangles are there with a perimeter of 100 and each side
having an integer length?

(different = not rotations or reflections)

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How many different triangles are there with a perimeter of 100 and each side
having an integer length?

(different = not rotations or reflections)

Not Roman numerals

Breaking Chocolate

Square and cube endings

List of all puzzles