Use 1, 2, 2, 2 (Each number used exactly once) to form π.
I want an exact value of π, not any approximation.
Available operators:
+ - * / ( ) ^ !
You can use any one of them for any times.
Hint:
Think about a special feature of the "!".
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Sign up to join this communityUse 1, 2, 2, 2 (Each number used exactly once) to form π.
I want an exact value of π, not any approximation.
Available operators:
+ - * / ( ) ^ !
You can use any one of them for any times.
Hint:
Think about a special feature of the "!".