## Posts Tagged ‘math’

### Just number

10/04/2012### 102 Combinatorial problems

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

### Put in shape

29/03/2012Place the remaining numbers from one to ten in the seven divisions of this overlapping geometric

configuration to fulfill the following requirements:

1) The circle, square, and triangle must individually total thirty.

2) The three outer divisions of the circle,square, and triangle must also total thirty.