Learn to solve another interesting puzzle - drawn in the board and forming star shaped. Three vertices in the top and two vertices in the bottom of each of the star shape diagram is filled with a number, with a particular middle number. <br /> <br />The middle number has a logical equation, belongs to the numbers in vertices. You think about the calculation which helps you to find the answer. <br /> <br />Once you will find the number to be replaced by the question mark, you definitely feel better.
