| ID | Latex | HTML |
| 1 | \( a^n \) | |
| 2 | \( a_n \) | |
| 3 | \( a \times b \cdot c \) | |
| 4 | \( p \neq q \) | |
| 5 | \( a \le b \geqslant c \) | |
| 6 | \( \sqrt{n} \) | |
| 7 | \( a \in b \notin c \) | |
| 8 | \( \forall a \exists b \nexists c \) | |
| 9 | \( \sum_{n=1}^{\infty} a + b \) | |
| 10 | \( \frac{a + b}{c + d} \) | |
| 11 | \( \binom{n}{k} \) | |
| 12 | \( \emptyset \) |