用户:UrnEn/ / - 1
< User:UrnEn | 沙盒
| a + b | a b | | 「 」 |
| a - b | a b | | |
| a * b | a b | | |
| a / b | a b | | |
| a ^ b | a b | | |
| a xroot b | a b | | |
| logxy(, ) | a b' - | | 「 」 (log) |
| abs(a) | a' | | 「 」 () su |
| not(a) | 'a | | |
| a = b | a b | | |
| a != b | a ' b | | |
| a < b | a b | | |
| a > b | a b | | |
| a ~= b | a b | | |
| a << b | a ' b | | |
| a ∈ b | a b | | |
| a ⊂ b | a b | | 「 」 |
| a ⊃ b | a b | | 「 」 () |
| a ⊂= b | a ' b | | +⊂ |
| ℕ | ' | ||
| ℤ | ' | ||
| ℚ | ' | ||
| ℝ | ' | ||
| ℂ | ' |