Pure Coin-cidence Puzzle
The Puzzle: 
So that it looks like this:
Look at the triangle of six pennies below:
I want to turn this triangle upside-down:
So that it looks like this:
What is the smallest number of coins I must move?
It is necessary only to move two coins, as the diagrams reveal:
Score Board
| Total | |
| Attended | 0 |
| Correct | 0 |
| Incorrect | 0 |
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