Monthly Archives: July 2012

Play it again, Sam. Four Fours: 26-50. See my previous post for information.

This is the classic four fours puzzle. You would probably know 1-10 1-25 now. You can use: Addition (+), Subtraction (-), Multiplication (*), Division (/ or fraction bar), Powers (^), Roots (fourthrt/sqrt)(Square roots are the exception to the “Nothing but … Continue reading →