Answer:
None of them are another way to write 63
Explanation:
3 + 3 + 3 + 3 + 3 + 3=18
3 × 3 × 3 × 3 × 3 × 3=729
6 × 6 × 6=216
6 + 6 + 6=18
9.5m questions
12.2m answers