Question 27
The diagram shows the net of a cube. On each face there is an integer: $1$, $w$, $2011$, $x$, $y$ and $z$.
If each of the numbers $w$, $x$, $y$ and $z$ equals the average of the numbers written on the four faces of the cube adjacent to it, find the value of $x$.
If each of the numbers $w$, $x$, $y$ and $z$ equals the average of the numbers written on the four faces of the cube adjacent to it, find the value of $x$.