Number puzzles with arithmetic operations

Last update: Tue 16 Aug 2016 04:39:50 PM CEST

The number 999

Try to reach the number 999, by just taking the digit 9 six times.
You can use any arithmetic operation.

 

The number 99

How can you decrease the number 99, without subtracting any number?

 

The number 30

Try to reach the number 30, by just using the digit 5 four times.
You can combine any arithmetic operation.

 

 

 

 

 

How do you like this puzzle? Is it too difficult? I'm very happy for any feedback...

 

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