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How do you do 51 and 54?

How do you do 51 and 54?-example-1
User Stelterd
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1 Answer

4 votes
51. I checked the comments but I still didn't understand it, sorry :/

54.

(43+45+47+49)=184

They are all odd and they are in consecutive order (one after another)
User CMPerez
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