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Daniel Mathias's user avatar
Daniel Mathias's user avatar
Daniel Mathias's user avatar
Daniel Mathias
  • Member for 5 years, 8 months
  • Last seen this week
1 vote
Accepted

Smallest square with pentominoes

5 votes
Accepted

Rest for three days before the next game

3 votes

Fill a grid with numbers so that each row/column calculation yields the same number

4 votes
Accepted

One number grid, two ways to divide it (Part 2)

21 votes
Accepted

Fitting 10 pieces of pizza in a box

4 votes
Accepted

Bedlam cube variation

9 votes
Accepted

Cutting a 27×27 square into incomparable rectangles

3 votes

Placing dominoes on a 16 × 14 grid

13 votes

The Puzzle Noob’s New Game

10 votes
Accepted

Dissection: $7^2 + 1^2 = (5\sqrt{2})^2$ and related problems

39 votes
Accepted

7x10 floor and a 8x8 and a 6x1 carpet, only one cut allowed

15 votes
Accepted

Make both colors connected

7 votes

Fill the grid subject to product, sum and knight move constraints

4 votes

Problem solving 6 piece plastic puzzle

8 votes

Identical squares in a circle

2 votes
Accepted

Internet Problem Solving Contest 2017 - Problem M

9 votes
Accepted

Visiting every digit

16 votes

3³+4³+5³=6³ Puzzle

5 votes

Four five-letter words from the 20 most common letters

7 votes

Masyu: Four Colours

32 votes

Pythagorean pentagons

20 votes

Join six cities with roads

5 votes
Accepted

6x6 grid with no three cells of one colour in a line

2 votes
Accepted

4x4 grid with no three cells of one colour in a line

2 votes

Strings of Kind Numbers

24 votes

Tiling a square with right-angled triangles

13 votes
Accepted

Math is Awesome

7 votes
Accepted

Letters and Numbers

5 votes

Find maximum circular array sum

7 votes
Accepted

Find the optimal dividing line

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