## Posts Tagged ‘mathematics’

### Just number

10/04/2012### 500 Sudoku Puzzles

30/03/2012|566 pagesĀ | PDF |1 MB|**Download**

### 102 Combinatorial problems

29/03/2012|148 pagesĀ | PDF |0.7 MB|**Download**

puzzles , chess , IMO , algebra , analys

|566 pagesĀ | PDF |1 MB|**Download**

|148 pagesĀ | PDF |0.7 MB|**Download**