The decorations of our Christmas tree form a triangle. What is the minimum number of red balls you can move in order to see the triangle upside down? Merry Christmas to everybody!
SOLUTION
You need to move three. Look at the animation (by Leo)
Thursday, 24 December 2009
A Christmas puzzle
The decorations of our Christmas tree form a triangle. What is the minimum number of red balls you can move in order to see the triangle upside down? Merry Christmas to everybody!
SOLUTION
You need to move three. Look at the animation (by Leo)
Sunday, 20 December 2009
Tuesday, 15 December 2009
Tuesday, 8 December 2009
Tuesday, 1 December 2009
Think differently!!! Nine dots problem
Draw nine dots on a paper and try to connect them with four straight lines without raising the pencil from the paper.
Solution - animation by Leo
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