Answer
$(0, 3);$ $(3, +\infty)$
Work Step by Step
The interval notation for the set of all real numbers except 0 and 3 is:
$(-\infty, 0) \cup (0, 3) \cup (3, +\infty)$
Thus, the missing expressions in the given statement are (in order):
$(0, 3)$ and $(3, +\infty)$
