Question 12
If each of the three operation signs, $+,$ $-,$ $\times,$ is used exactly **once** in one of the blanks in the expression
$$
5 \, \underline{\phantom{x}} \, 4 \, \underline{\phantom{x}} \, 6 \, \underline{\phantom{x}} \, 3
$$
then the value of the result could equal
$$
5 \, \underline{\phantom{x}} \, 4 \, \underline{\phantom{x}} \, 6 \, \underline{\phantom{x}} \, 3
$$
then the value of the result could equal